Crockpot Tomato Soup

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This oh-so-creamy Crockpot Tomato Soup is guaranteed to be your next favorite comfort food! With just a handful of pantry staples, you’ll be savoring the goodness of delicious, satisfying slow cooker tomato soup in no time.

Suitable for Gluten-Free, Vegan, Low Carb and Paleo diets. Post includes Weight Watchers points.

a bowl of slow cooker tomato soup

This rich and creamy Crockpot Tomato Soup is easy to throw together with 7 everyday pantry ingredients and a few minutes of hands-on time.

Yeap, this dump-and-go recipe requires very little effort to make – so it is a great option for dinner tonight.

The fact that this soup is also lower in calories, smooth, and goes down fast is a massive plus. This works well with fresh or canned tomatoes, so you can make it all year round.

The bonus is that I give you a classic version and a curried tomato soup version so you can whip up a version to suit your mood. Please also check out this Beet Soup for even more soup goodness!

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Along with Instant Pot Tomato Soup, this family favorite dump-and-start Slow Cooker tomato soup is great for busy weeknights and days throughout fall and winter when nothing but a bowl of hearty soup and some garlic bread or grilled cheese sandwiches will do.

Why Make This Slow Cooker Tomato Soup

  • Frugal And Flavorful – Made with a blend of budget-friendly pantry ingredients, this Slow Cooker Tomato Soup doesn’t compromise on taste, making it an ideal choice for watching your wallet. It’s the best tomato soup, better than canned tomato soup.
  • Feeds a crowd –From casual family suppers to bustling potlucks and lively game day get-togethers, this versatile soup is a crowd-pleaser, effortlessly catering to gatherings of any size.
  • Dump and start  – Embrace the simplicity of the ‘dump and start’ technique, where you can effortlessly toss all the ingredients into the crockpot and press start for a no-fuss cooking experience that’s perfect for busy days.
  • Leftovers freeze well – With its exceptional ability to freeze well, this Slow Cooker Tomato Soup ensures you have several quick and delicious weeknight supper options.
  • Dietary needs – Moreover, it caters to various dietary needs: vegan, gluten-free, oil-free, and refined sugar-free.

Looking to simplify your meal prep? Take a peek at this fantastic array of Dump and Start Crockpot Recipes, offering a variety of hassle-free dinner inspirations to streamline your cooking routine.

a bowl crockpot slow cooker tomato soup with a spoon.

Ingredient Notes

  • Tomatoes – In the summer, you can use fresh tomatoes if available. Otherwise, use canned tomatoes that are whole plum or crushed tomatoes as you have.
  • Cauliflower – adds creaminess and bulk with only a few extra calories. Cut florets up small so they cook.
  • Green onions – or spring onions, add onion flavor without the cooking time associated with onions. Feel free to use onion powder instead.
  • Veggie Broth – use homemade or store-bought vegetable broth, but you can swap it with chicken broth if not vegan.
  • Balsamic vinegar – the secret ingredient that adds a richness of flavor to the soup. Try not to skip this.
  • Seasoning – minced garlic and Italian seasoning add great flavor to this soup. Of course, you can add more or less to your taste and sway Italian seasoning for some dried oregano instead.
  • Coconut milk – this is coconut milk from a tin. If you are not vegan, you can use heavy cream instead.

Ready to learn how to make these Slow Cooker Tomato Soup? Grab those tomatoes and the other ingredients, and I will show you…

Handy Tip: Use Good Kitchen Tools!

For the best tools to help make your recipe even easier and more successful, check out my collection of the Best Kitchen Tools on Amazon.

How To Make Crock pot Tomato Soup: both versions

Get complete ingredients list and instructions from the recipe card below.

  1. Add all the ingredients to the crockpot and mix.
  2. Cover and cook on high for 4 hours or 7-8 hours on low.
  3. You can serve the soup like this if you prefer a chunky soup.
  4. Allow the soup to cool for a little while and then blend with an immersion blender, adjust the seasoning and serve immediately and enjoy your delicious tomato soup.

Make It On The Stove Top

  1. Add all the ingredients into a saucepan, cover and simmer for about 1.5 hours.
  2. You can serve the soup like this if you prefer a chunky soup.
  3. Allow soup to cool for a little while. Blend with an immersion blender (stick blender) for a smooth tomato soup. Adjust seasoning, and serve hot. Enjoy your homemade tomato soup.

Expert Tips

  • Cut your cauliflower up into small pieces so that it cooks quickly.
  • You can use fresh or canned tomatoes depending on what you have available.
  • For a thinner soup, add up to another cup of vegetable broth.
  • You can use chicken broth (not chicken stock) if not vegan.
  • Add a little bit of maple syrup for sweetness if you prefer.

Delicious Variations

  • Vary the spices – Feel free to add extra spices like cinnamon, garlic powder and cumin.
  • Use different vegetables – If not low carb, you can use butternut squash instead of cauliflower. Just make sure to cut it very small so it cooks.
  • Swap the herbs – Use fresh basil (dried basil works, too) to make a tomato basil soup. You can also add in oregano, dried thyme or other fresh herbs.
  • Add heat – Spice things up with crushed red pepper flakes, chipotle paste, or cayenne pepper.
  • Add toppings – You can elevate this hearty tomato soup by garnishing it with flavorful toppings such as crispy croutons, shredded parmesan cheese, fresh basil leaves, a drizzle of olive oil, or a dollop of sour cream for a tasty soup.

Prep And Storage

  • Make Ahead – Streamline your cooking process by prepping the cauliflower and chopping the ingredients in advance. You can refrigerate them until you can toss everything in the crockpot.
  • Reheat – If you have leftovers, gently reheat the creamy tomato soup on the stovetop for a few minutes, ensuring it’s warm and ready to enjoy with your favorite sides.
  • Store – You can store the remaining soup in an airtight container inside the fridge for 3 days.
  • Freeze – Use this recipe as an awesome freezer meal prep solution. Yeap, simply make this recipe in advance, let cool and then freeze for up to 3 months. Use freezer bags.
  • Meal Prep – Consider making a larger batch of this creamy tomato soup to freeze for future meals or enjoy throughout the week. It’s a convenient way to have a quick, comforting meal on hand when needed.
a bowl of vegan tomato soup on a table with a spoon.


Can I Make This With Non-Dairy Cream

Yes, you can make this with non-diary cream. Just add about half a cup (120 ml) of coconut cream or other non-dairy cream of your choice at the end of cooking just before you blend it.

Use either half-fat or full-fat according to your preference. You can also add some other plant milk according to your taste.

Can I Use Tomato Soup Instead Of Tomato Sauce?

Yes, you can use tomato soup as a substitute for tomato sauce in certain recipes, but it might slightly alter the texture and flavor of the dish. Tomato soup generally contains more liquid and is less concentrated than tomato sauce.

What Thickens Tomato Soup?

Tomato soup can be thickened using various methods, including incorporating ingredients such as heavy cream, half-and-half, sour cream, or cashew cream.

Additionally, using tomato paste, blending in cooked vegetables, or adding a roux made from butter and flour are also effective ways to achieve a thicker consistency.

Can You Cook Soup Too Long In Slow Cooker?

Cooking soup for too long in your slow cooker can result in the ingredients becoming overly soft and losing their texture.

Following the recommended cooking times is essential to ensure your soup retains its delicious flavors and desired consistency.

Do You Stir Soup In Slow Cooker?

In most cases, avoiding stirring soup in the slow cooker is recommended. Keeping the lid on helps maintain the desired temperature and cooking time.

However, there might be specific recipes that require stirring occasionally.

Always follow the instructions provided in the recipe for the best outcome.

Similar Recipes

Looking for more EASY soup and other delicious and flavorful recipes? I’ve got you covered. Check out my full collection of Crockpot recipes, or start a few of my most popular recipes:

Serving Crockpot Tomato Soup With:

Either version of this tomato soup recipe is good on its own, but if you want to bulk out your meal, it goes extremely well with some of the below.

  • Crockpot Grits – Serve these comforting, creamy grits alongside the tomato soup for a satisfying contrast in textures and flavors.
  • Jasmine rice (follow my Instant Pot Rice recipe) – Elevate your meal with fragrant jasmine rice, prepared effortlessly.
  •  Air Fryer Grilled Cheese sandwiches( if not vegan) – Delight in the classic combination of a warm, crispy grilled cheese sandwich served alongside this creamy tomato soup for a comforting and fulfilling meal.
  • Air Fryer Frozen Garlic Bread – Enhance the flavors of this tomato soup by adding some extra zing with the crispy and aromatic Air Fryer Frozen Garlic Bread on the side.
a simpl bowl of easy vegan tomato soup

More Slow-Cooker Recipes

Make sure to take a look at these other absolutely tasty slow cooker recipes, folks!

Weight Watchers Points

There is 1 Blue Plan SmartPoint in one serving of this.

Thank you for reading my slow cooker Spaghetti Sauce recipe post. And please come visit again as I continue to slice, dice, and dream up affordable Air Fryer recipesInstant Pot RecipesSouthern Recipes, and more. Thanks for supporting Recipes from a Pantry, food blog.

Get The Slow Cooker Tomato Soup Recipe

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a bowl of vegan tomato soup on a table with a spoon
Print Recipe
5 from 5 votes

Easy Crockpot Tomato Soup

A simple and creamy tomato soup crafted effortlessly in the slow cooker.
Prep Time5 minutes
Cook Time4 hours
Total Time4 hours 5 minutes
Course: Main Course, Soup
Cuisine: American, Vegan, Western
Diet: Gluten Free, Low Calorie, Vegan
Servings: 4
Calories: 42kcal
Author: Bintu Hardy


Classic Version

  • 28 ounces (800g) fresh chopped tomatoes (or canned)
  • 2 cups (150g) cauliflower florets
  • 4 green onions (spring onions) finely chopped
  • 1 teaspoon Italian seasoning
  • 1 teaspoon garlic puree
  • 1 teaspoon balsamic vinegar or to taste
  • 2 cups (500 ml) warm vegetable broth
  • ½ cup (123g) heavy cream or coconut milk added at end (optional)

If you prefer the Curried Version

  • 28 ounces (800g) fresh chopped tomatoes
  • 2 cups (150g) cauliflower florets
  • 4 green onions (spring onions) finely chopped
  • 1 ½ tablespoons mild curry powder
  • 1 teaspoon garlic puree
  • 1 teaspoon ginger powder
  • 2 cups (500 ml) warm vegetable broth
  • salt and red pepper flakes to taste (optional)


For both versions

  • Add all the ingredients into the slow cooker and mix.
  • Cover and cook on high for 3 hours.
  • You can serve the soup like this if you prefer a chunky soup.
  • Allow the tomato soup to cool for a little while. Puree with a hand-held blender, adjust seasoning and serve.
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  • Cut your cauliflower up into small pieces so that it cooks quickly.
  • You can use fresh or canned tomatoes depending on what you have available.
  • For a thinner soup, add up to another cup of vegetable broth.
  • You can use chicken broth (not chicken stock) if not vegan.
  • Add a little bit of maple syrup for sweetness if you prefer.
  • Storage – You can store the remaining soup in an airtight container inside the fridge for 3 days.
  • There is 1 WW Blue Plan Smart Point in one serving.


Calories: 42kcal | Carbohydrates: 9g | Protein: 2g | Fat: 1g | Saturated Fat: 0.1g | Polyunsaturated Fat: 0.1g | Monounsaturated Fat: 0.2g | Sodium: 491mg | Potassium: 291mg | Fiber: 3g | Sugar: 3g | Vitamin A: 579IU | Vitamin C: 31mg | Calcium: 53mg | Iron: 2mg

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  1. 5 stars
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