Slow Cooker Tomato Soup
Easy slow cooker tomato soup is a comforting dish that warms the heart and satisfies the taste buds. This simple recipe uses canned tomatoes, making it convenient for busy days or unexpected guests. It’s perfect for family dinners, casual gatherings, or even as a cozy meal on chilly nights. The rich flavors blend together beautifully in a slow cooker, allowing you to enjoy a homemade taste without the fuss.

Why You’ll Love This Recipe
- Quick Preparation – With just 5 minutes of prep time, you can set it and forget it!
- Rich Flavor – The combination of herbs and butter creates a creamy, delicious soup that everyone will love.
- Versatile Serving Options – Enjoy it on its own or pair with grilled cheese for a classic combo.
Tools and Preparation
To make this slow cooker tomato soup, you’ll need some essential kitchen tools. These items will help ensure your cooking experience is smooth and enjoyable.
Essential Tools and Equipment
- Slow cooker
- Immersion blender
- Measuring cups and spoons
- Cutting board
Importance of Each Tool
- Slow cooker – This appliance allows for hands-off cooking, slowly melding the flavors for a rich taste.
- Immersion blender – Perfect for achieving that creamy texture without transferring hot soup to a traditional blender.
Ingredients
Easy slow cooker tomato soup that everyone in your family will enjoy. Made with canned tomatoes and full of flavor.
Canned Tomatoes
- 28 oz Crushed tomatoes (canned)
- 30 oz Diced tomatoes (canned)
Vegetables & Herbs
- 1/2 cup White onion (diced)
- 1 teaspoon Thyme (dried)
- 1 teaspoon Oregano (dried)
- 1/2 teaspoon Basil (dried)
Seasonings
- 1/2 tablespoon Sugar
- 1/2 teaspoon Salt
- 1/4 teaspoon Pepper
Liquids & Fats
- 2 cups Vegetable broth
- 4 tablespoons Butter
- 1 cup Half & half
How to Make Slow Cooker Tomato Soup
Step 1: Combine Ingredients
Add all ingredients to the slow cooker. Give everything a mix to combine well. Cover with the lid.
Step 2: Cook the Soup
Allow the mixture to cook on high for 4-5 hours or on low for 6-7 hours.
Step 3: Blend Until Smooth
Once cooked, use an immersion blender to blend the soup until it’s smooth and creamy.
Step 4: Serve Warm
Serve your delicious slow cooker tomato soup warm, paired with your favorite bread or crackers. Enjoy!
How to Serve Slow Cooker Tomato Soup
Serving Slow Cooker Tomato Soup can be a delightful experience for you and your loved ones. This creamy, hearty soup pairs well with various accompaniments that enhance its flavors and textures.
With Grilled Cheese Sandwiches
- A classic pairing that never fails! The melty cheese and crispy bread complement the smoothness of the soup perfectly.
Topped with Fresh Basil
- Sprinkle some chopped fresh basil on top before serving. It adds a burst of freshness and vibrant color to your bowl.
With Croutons
- Add a handful of crunchy croutons for texture. They provide an enjoyable contrast to the creamy soup.
Drizzled with Olive Oil
- A light drizzle of extra virgin olive oil can elevate the flavors. It adds richness and depth to each spoonful.
Accompanied by a Side Salad
- A crisp side salad balances the warmth of the soup. Choose greens like spinach or arugula for a refreshing crunch.
Served in Bread Bowls
- For a fun twist, serve your soup in hollowed-out bread bowls. It’s not only eye-catching but also delicious!

How to Perfect Slow Cooker Tomato Soup
To make your Slow Cooker Tomato Soup even better, consider these useful tips:
- Use quality canned tomatoes: Opt for high-quality crushed and diced tomatoes for richer flavor.
- Adjust the seasoning: Taste your soup before serving and adjust the salt, pepper, or herbs as needed.
- Add garlic: Include minced garlic for an aromatic boost that enhances the overall taste.
- Incorporate veggies: Feel free to add diced carrots or bell peppers for extra nutrition and flavor depth.
- Use low-sodium broth: This helps control sodium levels while still providing great taste.
- Blend thoroughly: Blend until smooth for that creamy texture everyone loves in tomato soup.
Best Side Dishes for Slow Cooker Tomato Soup
Pairing side dishes with your Slow Cooker Tomato Soup can enhance your meal experience. Here are some great options to consider:
-
Grilled Cheese Sandwiches
Classic comfort food that complements the rich flavors of the soup beautifully. -
Garlic Bread
Crunchy garlic bread is perfect for dipping into your warm tomato soup. -
Caprese Salad
Fresh mozzarella, tomatoes, and basil create a refreshing side that contrasts nicely with the soup’s warmth. -
Cheese Quesadillas
Crispy quesadillas filled with cheese add an enjoyable texture alongside the creamy soup. -
Roasted Vegetables
Seasoned roasted vegetables bring additional nutrients and flavors to your meal. -
Pasta Salad
A chilled pasta salad provides a nice balance to the warm tomato soup, making it a satisfying combination. -
Stuffed Peppers
Hearty stuffed peppers can complement the lightness of tomato soup while adding protein. -
French Fries or Sweet Potato Fries
For a fun twist, serve crispy fries as a side dish; they offer great crunch and satisfaction!
Common Mistakes to Avoid
When making slow cooker tomato soup, a few common mistakes can lead to less-than-perfect results. Avoiding these errors will ensure your soup is delicious and satisfying.
- Skipping the sauté step: Not browning your onions and spices can lead to a flat flavor. Sautéing adds depth and richness.
- Using low-quality canned tomatoes: Poor quality tomatoes can affect taste. Opt for high-quality brands for the best flavor.
- Not adjusting seasoning: Sometimes, you may need to tweak the herbs and salt. Taste before serving and adjust as needed for balance.
- Overcooking or undercooking: Cooking times are important. Ensure you follow recommended times for best texture and flavor.
- Neglecting to blend well: Leaving chunks in your soup can ruin the creamy texture. Use an immersion blender until smooth.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- Slow cooker tomato soup will last up to 5 days in the fridge.
Freezing Slow Cooker Tomato Soup
- Use freezer-safe containers or bags.
- The soup can be frozen for up to 3 months.
Reheating Slow Cooker Tomato Soup
- Oven: Preheat to 350°F (175°C). Place soup in an oven-safe dish, cover with foil, and heat for about 20-30 minutes.
- Microwave: Place in a microwave-safe bowl. Heat on high for 2-3 minutes, stirring halfway through.
- Stovetop: Pour into a pot over medium heat. Stir occasionally until heated through, about 5-10 minutes.
Frequently Asked Questions
Here are some common questions about slow cooker tomato soup that may help clarify your cooking process.
Can I use fresh tomatoes instead of canned?
Yes, you can use fresh tomatoes, but you’ll need to peel and chop them first. Canned tomatoes offer convenience and consistent flavor.
How do I make slow cooker tomato soup vegan?
To make this recipe vegan, simply replace butter with olive oil and use plant-based cream or coconut milk instead of half & half.
What spices work best with slow cooker tomato soup?
Besides thyme, oregano, and basil, consider adding red pepper flakes for heat or garlic powder for extra flavor.
How long does it take to cook slow cooker tomato soup?
Cooking time varies; it’s typically ready in about 4-5 hours on high or 6-7 hours on low settings.
Final Thoughts
This easy slow cooker tomato soup is not only comforting but also versatile. You can customize it by adding vegetables or proteins according to your preference. Give this recipe a try and enjoy a warm bowl of deliciousness!
Soup

Easy Slow Cooker Tomato Soup
- Total Time: 0 hours
- Yield: Approximately 6 servings 1x
Description
Warm your heart and satisfy your taste buds with this easy slow cooker tomato soup. Crafted with canned tomatoes, this recipe is perfect for busy days or unexpected guests. In just a few minutes, you can throw everything into the slow cooker and let the flavors meld together, creating a rich and creamy dish that’s ideal for family dinners or cozy nights in. Whether served on its own, paired with grilled cheese, or topped with fresh basil, this comforting soup is sure to become a favorite.
Ingredients
- 28 oz crushed canned tomatoes
- 30 oz diced canned tomatoes
- 1/2 cup diced white onion
- 2 cups vegetable broth
- 4 tablespoons butter
- 1 cup half & half
- 1 teaspoon dried thyme
- 1 teaspoon dried oregano
- 1/2 teaspoon dried basil
- 1/2 tablespoon sugar
- 1/2 teaspoon salt
- 1/4 teaspoon pepper
Instructions
- Combine all ingredients in a slow cooker and mix well.
- Cover and cook on high for 4-5 hours or low for 6-7 hours.
- Once cooked, use an immersion blender to blend until smooth.
- Serve warm with your choice of bread or toppings.
- Prep Time: 5 minutes
- Cook Time: 4 to 7 hours
- Category: Soup
- Method: Slow Cooker
- Cuisine: American
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 260
- Sugar: 8g
- Sodium: 680mg
- Fat: 14g
- Saturated Fat: 8g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 29g
- Fiber: 5g
- Protein: 6g
- Cholesterol: 35mg