Crock Pot Lentil Sweet Potato Soup

by jenna on November 2, 2011

I made my first vegetarian meal in the slow cooker this week!

See? Look at all those vegetables. I feel healthier already just looking at them.

Usually, I might think vegetable soup is………BORING. As in, really boring! Who wants to eat a bowl of mushy overcooked vegetables, anyway? Not this girl.

Buuuuuut…..then one of my yoga friends (hi, ondrejka!) told me about this easy crock pot lentil soup that was a family favorite in her house. And then suddenly lentil soup sounded extra delicious to me and I couldn’t stop thinking about it until I actually made it for myself on Monday.

Sweet potatoes, carrots, celery, onions, green beans and lentils are all cooked together for a whopping 10 hours until everything turns to heavenly mush. I know “mush” doesn’t necessarily sound too appetizing, but I promise it’s some of the best mush you’ll ever eat. There’s just no other way to describe it.

oh, and those delicious buttery crusty knots? We’ll get to THOSE tomorrow.

Crock Pot Lentil Sweet Potato Soup

serves 6-8

Print this recipe!

Ingredients:

4 large carrots, chopped

4 stalks celery, chopped

1 onion, diced

2 large sweet potatoes, peeled and cubed

1.5 cups chopped green beans

2 cups green lentils

1 tsp minced fresh rosemary

1 bay leaf

1 tsp dried oregano

4 cloves garlic, minced

1 15-oz can diced tomatoes

64 oz vegetable broth

2 tsp salt (or to taste)

1/2 tsp pepper

Directions:

Combine all ingredients in a slow cooker. Turn heat on low and cook for 10 hours, adding a little more broth at the end if soup seems too thick.

Time:

10 hours

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{ 103 comments… read them below or add one }

Lys November 2, 2011 at 4:06 am

This looks so incredibly hearty! Definitely a must for the first week of November. Thank you so much for posting a plant-based recipe! I’m looking for new soups to make and this seems like a great one to eat during this Sunday’s Patriots game. Any meal where I can dunk a big chunk of warm crusty bread makes me happy. :)

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Molly @ RDexposed November 2, 2011 at 4:22 am

I spy garlic taking up a nice amount of real estate in that crock pot (I just carefully spelled that)-I’m sold!

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Emmy (Wine and Butter) November 2, 2011 at 4:36 am

I desperately want a slow cooker and I think this might be the final push I need. I also massively respect your ability to make lentil soup look appetising. One thing I need to get over is the habit of dumping an entire bottle of hot sauce in ANY soup I cook! I’m totally addicted but I think it might be rendering my assessment of the flavour less valid….

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Khushboo November 2, 2011 at 4:40 am

The blog world is filled with mush lovers..ie oatmeal! I am sure this recipe will go down a treat, it has with me at least!

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Luv What You Do November 2, 2011 at 4:41 am

That looks so good! I do feel healthier already : )

I made a pumpkin lentil soup last year and will definitely try the sweet potato version this year. Do you soak your lentils first?

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Kirsten November 18, 2012 at 8:17 pm

I cook with lentils all the time. They don’t need to be soaked first.

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Lauren @ What Lauren Likes November 2, 2011 at 4:51 am

Yum! I will definetly be making this :)

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Blog is the New Black November 2, 2011 at 4:55 am

“Best mush you’ll ever eat!” Ha! I never think to add lentils to anything….

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Amanda November 2, 2011 at 5:11 am

This sounds like a very comforting soup. I love the addition of rosemary.

Time to buy a crock pot!

P.S. Love that bowl. Such a pretty color. :)

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Amy November 2, 2011 at 5:15 am

I bet…your house…smelled AMAZING!! That looks so delicious, and very hearty/meaty for those who shy away from vegetarian dishes. Yum!

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Angela @ Eat Spin Run Repeat November 2, 2011 at 5:15 am

Sounds so delicious and filling! Carrots, onions, and celery are always soup staples for me. I’ve been sick for almost a week now, but I might try making some of this to aid my recovery!

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Jen November 2, 2011 at 5:18 am

I’ve never been a fan of cooking vegetables in the crockpot because they do become too “mushy”. But I guess it’s like a pureed soup? It does look good. Could I just adjust some of the ingredients for a smaller crockpot? What size did you use – 6 qt?

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Jenn from Much to My Delight November 2, 2011 at 5:23 am

Yay for vegetarian crock pot recipes! I just got my first Crockpot, and I bought a cookbook to help me figure out what to do with it. There’s only so many pork butts I’m gonna put in this thing, so it’s high time I started filling it with healthy goodies like lentils and carrots. Thanks Jenna!

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alicia November 2, 2011 at 5:26 am

this sounds ah-mazing!
one question….do you think there is another grain you could sub the lentils for? not entirely sure my fiance exactly loves them. thanks jenna – i absolutely LOVE your blog :)

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Averie @ Love Veggies and Yoga November 2, 2011 at 5:40 am

Looks great, Jenna. I love your green bowl, too. So pretty.

And Set it and Forget it…sounds like a plan.

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amy walters, aDESIGNdock November 2, 2011 at 5:47 am

This looks so good. I can almost taste it. Might I skip breakie and jump right to a bowl of this instead?!

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Amanda at the red table November 2, 2011 at 5:48 am

Sigh…I love anything that comes out of a crock pot :)

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jenna November 2, 2011 at 6:02 am

what a perfect dinner to come home to! I love the lentil and sp combo!

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Paige @ Running Around Normal November 2, 2011 at 6:06 am

Must remember to buy lentils this weekend! Love the addition of green beans. Looks delicious…and healthy!

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Sara November 2, 2011 at 6:11 am

This recipe just went into my “dinner next week” folder on my computer. :) Thank you!!!

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Cait's Plate November 2, 2011 at 6:17 am

And once again I’m left thinking one thing and one thing only: I NEED A CROCKPOT!!

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Cat @Breakfast to Bed November 2, 2011 at 6:19 am

I would have never thought to add sweet potato!! YUM!!

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Joelle (On A Pink Typewriter) November 2, 2011 at 6:20 am

Gah, this recipe is JUST what I’ve been searching for!!! I just got a crockpot, and have been dying to find a yummy soup recipe to use it for. Do you have suggestions for subbing something other than lentils, though, if I’m not a big fan of those guys?

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Kristina November 2, 2011 at 6:25 am

Love it! My husband has been on a slow-cooker kick lately, but his recipes almost always involve meat and lots of delicious oils and bacon type substances…which is great sometimes, but not every night for dinner. Maybe I can convince him to swap out one of his next ideas for something like this :)

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Cara November 2, 2011 at 6:26 am

This looks delicious and hearty for the cold months ahead! I have a ton of lentils that I didn’t know what to do with. I will be making this, stat! Thanks for sharing!

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Emily G. November 2, 2011 at 6:32 am

Oh, how I love my crock pot. I think I’ve use it for the past 4 or 5 meals at my house! I actually like to get a couple of meals ready, pre-cooked with veggies and spices – no broth or liquid, and throw them in Zip-Lock bags. They day I’m ready to cook them I just let it thaw while I’m getting ready for work and TA-DA! Easiest meals ever!! :) Not sure if this one will work out as well, but I’m definitely putting it on my to-make list!

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Jen P November 2, 2011 at 6:59 am

I had the most amazing meal at a restaurant last night and for some reason I kept thinking “jenna would LOVE this.” [ i think maybe i read (drool over) your blog too much]. I have no idea if you really would – but it was Spaghetti Squash Carbonara with Bacon & Truffle Oil, with a Poached Egg, and it was to.die.for.

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Christine November 2, 2011 at 7:09 am

This looks delicious!
Can’t wait to try it out- Sweet potatoes and lentils? What a perfect combo!

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Leslie Means @ Her View From Home November 2, 2011 at 7:25 am

LOVE this soup. This would be perfect tonight as it is supposed to SNOW in our area. :(

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Rachael @ FreshlyMinted November 2, 2011 at 7:28 am

Perfection!
I’ve been meaning to pull out the slow cooker for a while now, but didn’t want to just toss in a roast and potatoes. The cooking time is perfect too – It is always hard to work in a stop at home during the work day when something is supposed to be in the pot for less than 10 hours.

Give your nice friend a hug for us ;)

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Allison November 2, 2011 at 7:28 am

Are the lentils pre-cooked or is that 2 cups of dry lentils?

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jenna November 2, 2011 at 7:34 am

nope–it’s two cups of dry lentils

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Jen November 2, 2011 at 11:12 am

What if you use canned lentils?

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Imwaytoobusy November 2, 2011 at 7:33 am

I love the addition of sweet potatoes. That has to be a delicious recipe! My crockpot is collecting excessive amounts of dust. This would be a good excuse to put it to work ;)

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Gina @ Running to the Kitchen November 2, 2011 at 7:38 am

You think this really needs 10 hours or would suffice? I have everything on hand and would love to throw this together for dinner tonight but 10 hours from now is 8:30 and that’s like 1.5 hours past my stomach rebelling at me for not feeding it!

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Gina @ Running to the Kitchen November 2, 2011 at 7:38 am

Oops.. meant to say “would 8 suffice”

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jenna November 2, 2011 at 7:46 am

You could do 8 1/2 hours, I’m sure!!! The soup just gets really, really, really thick around 9-10 hours but if I were you and had all the stuff on hand, I would make it and eat it after 8!

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The Cilantropist November 2, 2011 at 7:42 am

Mmmm, I looove lentil soup – so hearty and filling and flavorful all at the same time! Crockpot is a great idea!

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Liz @ Southern Charm November 2, 2011 at 7:45 am

This looks super easy … except for waiting … and LOVE these ingredients! Can’t wait to try this one out.
I’m scared to work with lentils for some reason, but this looks like the best ice breaker!

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katie @KatieDid November 2, 2011 at 7:56 am

Love crock pots they make like so simple! This looks wonderful and comforting! mmm

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Carolyn @HealthKitten.com November 2, 2011 at 8:00 am

That looks AMAZING!! I’ve had this package of green lentils that I bought before I had a recipe to use them in….meaning they’ve been in my cupboard for a while! ;)

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Maria November 2, 2011 at 8:01 am

Will be making this very soon!

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Michelle @ Turning Over a New Leaf November 2, 2011 at 8:02 am

This looks perfect! After several days of Mexican food and candy, I could go for a big serving of veggies in me! ;)

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Lisa @ Life in Green November 2, 2011 at 8:20 am

I love lentils and I love mush…this one has to be a winner. :)

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Lauren from Lauren's Latest November 2, 2011 at 8:22 am

Never put sweet potatoes in soup before, but it sounds amazing!

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kathleen @ the daily crumb November 2, 2011 at 8:46 am

yum! this soup looks delicious, but those knots are in the forefront of my mind!

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jenna November 2, 2011 at 9:36 am

can’t wait to share them tomorrow—they were AMAZING!

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Sally November 2, 2011 at 8:48 am

I love how easy this sounds and the idea of the sweet potatoes all happy and sweet in there sounds divine!

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Katrina November 2, 2011 at 9:06 am

This sounds awesome! I love how healthy it is!

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Krystina (Organically Me) November 2, 2011 at 10:55 am

I actually really love lentil soup. It’s hearty, warm, and reminds me of my childhood.

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Kiran @ KiranTarun.com November 2, 2011 at 11:08 am

I need a crock pot in my life. Pronto. This soup/stew looks so deliciously comforting.

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Maryea {Happy Healthy Mama} November 2, 2011 at 11:38 am

Crock pot recipes are the best.

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Siobhan Landis November 2, 2011 at 12:49 pm

Nice! I’ve been experimenting with lentils lately, too – my most recent success was Curried Lentil and Root Vegetable Stew. I didn’t use a crock-pot, but I imagine you COULD, if you chose.

http://www.naturallyradiant.info/site/curried-lentil-root-vegetable-stew/

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Alexa @ Simple Eats November 2, 2011 at 2:27 pm

This “mush” looks phenomenal. Lentils are one of my favorite things. Mmm!

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Moni'sMeals November 2, 2011 at 2:34 pm

this is something I would make like 1-2 a week! Yum…

thanks Jenna!

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Elle @ Chellbellz November 2, 2011 at 3:51 pm

Wait….have you been clicking my tweets??? I’ve been looking for a lentil soup slow cooker recipe for the last two weeks! I am excited to try this over the weekend.

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Rosanne November 3, 2011 at 8:03 am

Sorry if this is a silly question, but do you just add dried lentils into the soup or cook them prior?

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Lisa [With Style and Grace] November 3, 2011 at 10:24 am

I’ve yet to use my crock pot OR make a lentil soup, which have both been on my cooking to do list for a while. Looks like I might be able to cross both off very soon!

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Sonia (the Mexigarian) November 3, 2011 at 10:37 am

Perfect for the cold days and rain expected here in the bay area. will make it this weekend :)

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sheri November 4, 2011 at 7:03 am

I think my lentils are not green, but a different color. Does that matter ? I am not a lentil expert! :)

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jenna November 4, 2011 at 7:59 am

You do want to use green lentils rather than red lentils because they cook totally differently. Red lentils will give straight mush!

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Meredith November 4, 2011 at 5:44 pm

Just made this today– it is AMAZING!! I’m loving every bite and it’s just in time for cold weather! Thanks for the recipe!

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Rachel November 6, 2011 at 4:42 pm

I made it on Friday and it is super DELISH!! Even the boy who claims to absolutely hate veggie soup thought it was good! In the freezer to pull out for those cold winter nights!

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Carol November 7, 2011 at 8:30 am

This looks great! A slow cooker is on my Christmas list, along with a vegetarian slow cooker cookbook :)

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Pam November 7, 2011 at 6:05 pm

Yum this looks so tasty and comforting! Would red lentils work just as well? I am very partial to red lentils but I know they cook faster than the green ones.

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Lindsey November 8, 2011 at 5:36 am

I think I need to half this next time… I just combined all the ingredients in a 6 qt and the crock pot is filled to the tippy top! Can’t wait to try it tonight, I’ve been thinking about this soup since you posted!

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jenna November 8, 2011 at 6:54 am

Mine was filled to the very tippy top too—don’t worry—it cooks down!!!

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Kirsten November 18, 2012 at 8:20 pm

Thanks for asking this. Looking at the ingredients, I was thinking this was sure to overflow my crockpot. You confirmed it- mine is 3 or 4 quarts! I’ll be sure to halve the recipe.

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Diane November 8, 2011 at 9:56 am

I did half this recipe because I made it just for lil’ ol me and it was posititvely delicious. Just had it for lunch again! And I left out the tomatoes b/c I did not have any. Thanks for all the wonderful recipes!!!

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RebeccaUtah November 14, 2011 at 8:49 pm

Oh whoa. I just made this tonight and have to tell you… it was uh-mazing. It was a hit. Thank you for sharing…and making me look good in front of my guests. :)

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Lori Delgado November 16, 2011 at 6:26 pm

Hi Jenna :) This sounds amazing and I am making it tomorrow! Question, I know you say 10 hrs is best, but curious if you split and did part of the time on HIGH and then part on LOW what would you suggest??? Thanks!

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jenna November 16, 2011 at 6:39 pm

If you split it up, I would probably cook it on high for 2 hours and then on low for 5? I haven’t tried that but I’m sure it would work!

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Lori Delgado November 17, 2011 at 12:31 pm

OMG, just put everything in the crock pot and still need to add tomatoes and it is almost to the lid!! I can’t even stir it all up yet! Was yours THAT full? :)

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Lori Delgado November 17, 2011 at 2:41 pm

Hi again :) ok so I am starting to think I need to transfer the whole thing to a large stock pot and simmer on the stove! It is ridiculously full, LOL! like the lid is sitting on liquid! Suggestions??

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jenna November 17, 2011 at 2:44 pm

hm. Mine was very full too but it really does cook down!!! If you think it’s really too full, I would just ladle out a cup of the liquid but keep it in the slow cooker. It will cook down—promise!

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Lori Delgado November 17, 2011 at 2:58 pm

Thanks Jenna, I will probably just leave it in for now and watch it. It is so full I can’t even stir it! Hopefully it cooks down and can be stirred in a bit. If I try and stir it will probably spill over!

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Irina G (Fit Flexitarian) November 18, 2011 at 7:42 am

Just came across this recipe and I am TOTALLY inspired! It looks delicious, all those healthy-looking veggies! I have some pink lentils at my house, so I’ll have to figure out how to make something similarly awesome. :-)

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Vicky November 30, 2011 at 6:10 am

Cant wait to try this. Love soups and I love my crock pot. Perfect combo.

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Ashley December 5, 2011 at 10:51 am

making this right now with butternut squash instead of sweet potato, YUM! thanks for the recipe.

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amanda December 12, 2011 at 5:39 am

i don’t have a crock pot so I just made this on the stove for lunch and it was really good! thanks!

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Theresa January 25, 2012 at 1:18 pm

Do you know if this sweet potato lentil soup freezes well?

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jenna January 25, 2012 at 1:31 pm

It does! Just freeze then defrost in the fridge overnight before heating.

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Ellen April 15, 2012 at 5:37 pm

Wow, I just made this today and what a yummy dinner it made! I was fresh out of celery so subbed some green cabbage for it. I didn’t start it till after lunch and didn’t want to wait till the fourth of July for it to be done so I cooked it on high all afternoon till about 6 pm and it came out mushy and perfect. I left out the salt though and used no/low salt ingredients and it was rather bland, so I doctored it up with a ton of cumin and that did the trick nicely. I froze 4 of the 5 quarts it made for fast future meals. Thank you for sharing such a great recipe!

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jen October 10, 2012 at 10:51 am

Just wanted to say I made this with a few adaptations on the stovetop and it was great! I was hesitant as I’m not a big lentil fan, but this was the best mush ever!

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Meredith October 26, 2012 at 10:35 am

I printed this recipe this past weekend, and bought all the ingredients. My husband chopped all the veggies, and put it in the crockpot last night. I just brought some for lunch at work, and it was so tasty! Lots of flavored and full of veggies! I love anything with sweet potatoes in it!

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Natalie November 7, 2012 at 8:07 pm

Such a great flavor.
However, if you’re a texture person, I would recommend cooking for about 7 hours to avoid the true “mush” that this becomes…

So good though!

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Holli January 15, 2013 at 7:46 am

Mmmm… I will be making this Saturday. I just got back from the store with all the ingredients for your crock-pot spinach lasagna. Getting ready to assemble it :)

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Nora January 16, 2013 at 9:26 pm

Thank you for the recipe. I made this for dinner yesterday and i have to say the best lentil soup i have ever ate!

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Jessica January 21, 2013 at 3:28 pm

YUM!! This sounds good. Do you think it can be prepped at night and dumped into the slow cooker in the morning before work?

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jenna January 21, 2013 at 3:31 pm

When I make this, I make the whole thing at night. I dump everything in the slow cooker around 10pm before bed and let it cook all night — it’s so much easier and faster!

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Nora April 5, 2013 at 6:21 pm

I was so excited about this, but it turned out to be really, really bland. And it wasn’t really mushy either. Maybe I added too much liquid, although I followed the recipe. Disappointed, because I love lentils and sweet potatoes! I’m going to try leaving it in the crock pot longer to see if it will “mush” down more.

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Sarah April 17, 2013 at 1:31 pm

Do you have the calorie/nutrition info for this recipe? Looks fantastic– can’t wait to try it out on the crock pot I just bought!

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Megan July 20, 2013 at 5:26 am

I cooked this for 10 hours and it’s still not mushy yet ): this is my first experiment with a crockpot. Will it work if I leave it in longer?

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jess October 28, 2013 at 6:48 pm

trying this tonight!!! see how it comes out in the morning to have for lunch!! :)

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Mary November 6, 2013 at 10:44 am

Loved this soup, thanks so much. 46 years old and I think this was the first time I had lentils :)

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Caity November 25, 2013 at 3:11 pm

I knew I would be short on time this morning, so I chopped up/prepared everything last night and put it all in my crockpot. I kept it in my fridge overnight (my crockpot separates from the heating plate, so I can just put the pot in the fridge) and then took it out and put it on low-med heat this morning before work. 6 hours later when I came home for lunch, it was PERFECT! I didn’t want mine mushy, so with the overnight “soak” in the broth + just 6 hours of stewing made for absolute perfectly cooked lentils, sweet potato, and veggies. This recipe makes a LOT too, so I’ve already thrown some into tupperware to freeze up for winter. :)

Thanks for another great recipe!

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Phil January 13, 2014 at 11:03 pm

Im and avid crockpot user as a single dad of 3. It saves me heaps of time! Im going to use this recipe ASAP and I’m always on the look out for healthy crockpot meals. Im not a fan of veggie inclusive meals, I LOVE BIG PROTEIN. lol. How would I go about adding lean chicken into the mix? I was thinking about throwing some chicken breasts in the pot. Suggestions?

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jenna January 14, 2014 at 2:08 pm

Great! You can substitute chicken breasts for the thighs, no problem. The stew make take a little less time to cook but you can still shred the breasts (just like you would the thighs).

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Film Streaming February 20, 2014 at 4:20 pm

looks delicious Thank you so much !

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Courtney M. February 25, 2014 at 5:43 am

I made this yesterday for dinner. My husband and I have both been under the weather, and this was the perfect thing! The flavor was delicious! Thanks for posting!

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Jennifer February 25, 2014 at 5:09 pm

Made this for my Lebanese fiance w/o the sweet potatoes and he absolutely loved it! So easy. No adjustments were necessary to omit the sweet potatoes. Thanks for a great recipe!

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Becky@TheSavedRunner February 26, 2014 at 6:07 am

I made this last week and it was amazing! All of the teachers I worked with wanted the recipe! So of course I told them to check you out. :)

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streaming vk April 20, 2014 at 8:45 am

Thanks for another great recipe!

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