Crockpot Low Carb Vegetable Soup

This crockpot low carb vegetable soup is sure to become one of your favorite simple healthy soup recipes! Since it cooks all day in the slow cooker, this soup is perfect for busy weeknights or warming up on a cold day! You will not believe how many veggies are packed into this vegan, gluten free, dairy free, low carb, paleo and Whole30 soup!

Hand holding a spoon over a bowl of crockpot low carb vegetable soup with a grey napkin next to the bowl
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Why you’ll love this recipe

  • Soup is one of those comfort foods you just crave in the winter time! It’s simple to make and can instantly make you feel like you are getting a warm hug from the inside!
  • This recipe for crockpot low carb vegetable soup takes the classic veggie soup recipe you know and love and adds in even more veggies to help you stay full and satisfied while staying low on carbs! Packed with flavor from the Italian seasoning and balsamic vinegar, this soup will have everyone asking for seconds!
  • You are going to love this recipe because it requires minimal prep. All you have to do is chop up an onion (and you can omit that if you are really short on time). Just throw all the ingredients in your crockpot and let them cook while you are at work or out running errands.
Crockpot full of low carb vegetable soup before cooking


Frozen cauliflower rice

Frozen chopped vegetables

Frozen chopped bell peppers

Frozen spinach or kale

Chopped white onion

Vegetable broth

Coconut aminos (or soy sauce)

Crushed tomatoes

Tomato paste

Balsamic vinegar

Salt and spices, bay leaf (optional)

Large ladle full of crockpot low carb vegetable soup

How to make low carb soup in the slow cooker

Add all the ingredients to the slow cooker.

Stir the ingredients in the slow cooker to make sure everything is combined and cook on low for 8-10 hours (or high for 4-6).

What other ingredients can you add

What to serve with low carb veggie soup

Overhead shot of a bowl of crockpot low carb vegetable soup with two spoons to the left of the bowl over a grey napkin

If you want to add protein to cook in the crockpot

  • Quickly brown ground turkey or ground beef in a skillet before adding it to the bottom of the crockpot. Add the rest of the ingredients and cook per directions
  • Add chicken breast or turkey breast whole to the crockpot. After cooking, remove the chicken breast or turkey breast and shred with 2 forks. Add the shredded meat back to the soup

If you want to add protein after cooking the soup

Large ladle full of crockpot low carb vegetable soup

Is Vegetable Soup Healthy?

This vegetable soup is low in carbs and calories and is packed full of fiber and water! Starting a meal with a broth and vegetable soup can help lower your overall calorie intake and also increase your serving of vegetables in the meal, helping you feel full on less calories.

Also because soup is served hot and requires you to slowly eat it, it forces you to slow down during your meal, helping your hunger signals reach your brain by the end of your meal instead of 10 minutes after your meal.

Large white bowl filled with crockpot low carb vegetable soup with a spoon with a wooden handle in the soup

If you love this slow cooker recipe you should try

★ Did you make this recipe? Please give it a star rating below!
Overhead shot of large bowl of crockpot low carb vegetable soup

Crockpot Low Carb Vegetable Soup

$13.73 Recipe/$1.72 Serving
Crockpot low carb vegetable soup is a simple slow cooker recipe that is requires little prep and is the perfect weeknight dinner. This vegan, gluten free, paleo, Whole30 soup is the perfect comfort food!  
5 from 3 votes
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Course: Soup
Cuisine: Italian
Keyword: low carb vegetable soup, slow cooker vegetable soup, vegetable soup
Prep Time: 2 minutes
Cook Time: 10 hours
Total Time: 10 hours 2 minutes
Servings: 8 servings

Guided Recipe Video



  • Dice the large white onion.
  • Add the rest of the ingredients to the crockpot and stir the crockpot
  • Cook on low for 8-10 hours or high on 4-6 hours

Nutrition Information

Nutrition Facts
Amount per Serving
Where does nutrition info come from? Nutrition facts are provided as a courtesy, sourced from the USDA Food Database.
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  1. 5 stars
    Oh my goodness!! This was sooo good…I added cooked hamburger meat and kilbasa sausage to it. Great base for any soup. A definite keeper for sure.

    1. Thank you so much for stopping by and leaving a review! I love this soup and glad it’s also become a keeper for you too! Such a great way to get in lots of veggies for sure. Happy cooking!

  2. 5 stars
    Oh my, my, my!! THIS soup is DELICIOUS! I was a little worried in how the taste would come together but this is now a favorite soup of mine!!! I could not find a Mediterranean Blend of veggies; therefore, I bought the regular old mixed vegetables you would use to make just this….vegetable soup. I then bought frozen peppers and onions (come in a bag together); therefore, I didn’t even have to take the time to cut up an onion! I cooked hamburger that I added so there would be some protein. YUM! YUM! YUM! I will be making this over and over, again and again!!

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