Crockpot Low Carb Vegetable Soup

There’s nothing more comforting than a warm bowl of soup on a chilly day. This crockpot vegetable soup brings all the cozy vibes, hearty, flavorful, and packed with nourishing veggies. It’s the kind of meal that feels like a hug in a bowl and is perfect for warming up during busy winter weeks.

What sets this veggie soup apart is how easy it is to make. With minimal prep (just one onion to chop, optional if you’re short on time), you can toss everything in the crockpot and walk away. Thanks to a generous mix of vegetables, Italian seasoning, and a splash of balsamic vinegar, it’s full of flavor and incredibly satisfying without being heavy.

Ingredients

• 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)

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).

★ Did you make this recipe? Please give it a star rating below!

Crockpot Low Carb Vegetable Soup

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

Print Pin Save Saved! Rate

Prep Time: 2 minutes mins

Cook Time: 10 hours hrs

Total Time: 10 hours hrs 2 minutes mins

Servings: 8 servings

Guided Recipe Video

Ingredients

• 1/2 large white onion
• 2 packages frozen cauliflower rice
• 1 package frozen vegetables (Mediterranean Blend)
• 1/2 package frozen sliced peppers
• 1 cup frozen spinach (or frozen kale)
• 3 cups vegetable broth
• 1 28oz can crushed tomatoes
• 2 tbsp tomato paste
• 3 tbsp balsamic vinegar
• 3 tbsp coconut aminos
• 2 tbsp Italian Seasoning
• 2 tsp sea salt

Instructions

• Dice the large white onion.
  1/2 large white onion
• Add the rest of the ingredients to the crockpot and stir the crockpot
  1/2 large white onion, 2 packages frozen cauliflower rice, 1 package frozen vegetables (Mediterranean Blend), 1/2 package frozen sliced peppers, 1 cup frozen spinach (or frozen kale), 3 cups vegetable broth, 1 28oz can crushed tomatoes, 2 tbsp tomato paste, 3 tbsp balsamic vinegar, 3 tbsp coconut aminos, 2 tbsp Italian Seasoning, 2 tsp sea salt
• Cook on low for 8-10 hours or high on 4-6 hours

Recipe Notes

Make this in the instant pot: 

Add all the ingredients to the instant pot. Cook on high pressure for 5 minutes, allow pressure to naturally release and enjoy. 

Nutrition Information

Nutrition Facts

Amount per Serving

Calories

84

Carbohydrates

 

14

g

Fiber

 

3

g

Sugar

 

6

g

Protein

 

4

g

Where does nutrition info come from? Nutrition facts are provided as a courtesy, sourced from the USDA Food Database.

SHARE THIS POST!

If you liked this post, share it with your friends and family!

• 2071

Author: Samantha Rowland

Course: Soup

Cuisine: Italian

Keyword: low carb vegetable soup, slow cooker vegetable soup, vegetable soup

DID YOU LOVE THIS RECIPE?Let others know by rating and leaving a comment below!

What other ingredients can you add

• Pesto
• Greek seasoning (mint, oregano)
• Fresh rosemary
• Paprika
• Red pepper flakes

What to serve with low carb veggie soup

• Salad: Serve with Whole30 Greek Salad, Asparagus Salad with Lemon Tahini Dressing or Cruciferous Crunch Salad.
• Add in your favorite protein: You can add protein to the crockpot before cooking or add your favorite protein after cooking.
• Crackers or crusty bread: Make your own homemade low carb crackers, lentil flatbread or a slice of crusty bread for dipping.

If you want to add protein to cook in the crockpot

• Quickly brown ground chicken, turkey or beef 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

• Meal prepped shredded chicken
• Cooked sliced chicken sausage
• Balsamic tofu
• Hemp hearts

More slow cooker recipes to try:

• Slow Cooker Cauliflower Soup
• Slow Cooker Curried Butternut Squash Soup
• Whole30 Slow Cooker Cajun Chicken Recipe
• Slow Cooker Balsamic Beef
• Slow Cooker Red Lentil Curry