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Slow Cooker Tomato Soup

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  • Author: Kimberly
  • Prep Time: 10 minutes
  • Cook Time: 6 hours
  • Total Time: 6 hours 10 minutes
  • Yield: 6 servings 1x
  • Category: Soup
  • Method: Slow Cooker
  • Cuisine: American
  • Diet: Vegetarian

Description

This creamy and flavorful Slow Cooker Tomato Soup is the perfect comfort food for a chilly day. Made with simple ingredients like canned tomatoes, garlic, and herbs, it slow-cooks to perfection, bringing out deep, rich flavors. Serve it with a grilled cheese sandwich for the ultimate cozy meal!


Ingredients

Units Scale
  • 2 (28 oz) cans crushed tomatoes
  • 1 small onion, chopped
  • 3 cloves garlic, minced
  • 2 cups vegetable broth (or chicken broth)
  • 1 cup heavy cream (or coconut milk for a dairy-free version)
  • 1 tablespoon olive oil
  • 1 tablespoon tomato paste
  • 1 teaspoon dried basil
  • 1 teaspoon dried oregano
  • 1/2 teaspoon salt (adjust to taste)
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon sugar (optional, to balance acidity)
  • 1/4 teaspoon red pepper flakes (optional, for a little heat)
  • 2 tablespoons butter (optional, for extra richness)

Instructions

  • Sauté the aromatics – In a skillet over medium heat, warm the olive oil. Add the chopped onion and cook for 3-4 minutes until softened. Stir in the garlic and cook for another 30 seconds.
  • Add ingredients to the slow cooker – Transfer the onions and garlic to a slow cooker. Add the crushed tomatoes, tomato paste, vegetable broth, basil, oregano, salt, pepper, sugar, and red pepper flakes. Stir well.
  • Slow cook – Cover and cook on low for 6-8 hours or high for 3-4 hours, stirring occasionally.
  • Blend the soup – Use an immersion blender to blend the soup until smooth, or transfer in batches to a blender.
  • Add the cream – Stir in the heavy cream (or coconut milk) and butter (if using). Let it warm through for another 10-15 minutes.
  • Serve – Taste and adjust seasoning if needed. Ladle into bowls and serve warm. Enjoy!

Notes

  • Make it vegan: Use coconut milk instead of heavy cream and skip the butter.
  • For extra richness: Stir in a handful of grated Parmesan cheese before serving.
  • Storage: Store leftovers in an airtight container in the fridge for up to 4 days, or freeze for up to 3 months.