why make this recipe
Slow Cooker Roasted Tomato Soup is a comforting, flavorful dish that highlights the sweetness of summer tomatoes. It’s easy to prepare, requiring minimal hands-on time, making it a terrific choice for busy days. By using a slow cooker, the flavors meld beautifully, resulting in a rich, velvety soup that warms you up from the inside out. It’s perfect for lunch, dinner, or even as a starter for gatherings.
how to make Slow Cooker Roasted Tomato Soup
Ingredients:
- 2 pounds of ripe tomatoes, halved
- 1 onion, chopped
- 4 cloves of garlic, minced
- 2 cups vegetable broth
- 1 teaspoon dried basil
- 1 teaspoon dried oregano
- Salt and pepper to taste
- Olive oil
- Fresh basil for garnish (optional)
Directions:
- Preheat your slow cooker. In a bowl, toss the halved tomatoes, chopped onion, and minced garlic with olive oil, salt, and pepper.
- Transfer the mixture to the slow cooker.
- Add vegetable broth, dried basil, and oregano.
- Cover and cook on low for 6-8 hours or on high for 3-4 hours.
- Once cooked, use an immersion blender to puree the soup until smooth.
- Adjust seasoning to taste, garnish with fresh basil if desired, and serve warm.
how to serve Slow Cooker Roasted Tomato Soup
Serve the soup warm in bowls. It pairs well with crusty bread, grilled cheese sandwiches, or a light salad. You can top each bowl with a drizzle of olive oil or a dollop of cream for added richness. Fresh basil scattered on top adds a lovely touch and enhances the flavor.
how to store Slow Cooker Roasted Tomato Soup
To store leftovers, let the soup cool completely. Transfer it to an airtight container and refrigerate. It will stay fresh for up to 3-4 days. You can also freeze the soup in freezer-safe containers for up to 3 months. Thaw it in the refrigerator overnight before reheating.
tips to make Slow Cooker Roasted Tomato Soup
- Use ripe tomatoes for the best flavor. If they are not in season, you can opt for canned tomatoes.
- Experiment with herbs. Feel free to add thyme or rosemary for a different flavor profile.
- If you like a little heat, add a pinch of red pepper flakes.
- For a creamier texture, stir in some heavy cream or coconut milk after blending.
variation
You can add vegetables like bell peppers or carrots to enhance the soup’s nutrition. For a smoky flavor, try adding some smoked paprika. If you’re looking for a vegan version, just ensure the broth is plant-based.
FAQs
Can I use canned tomatoes instead of fresh?
Yes, canned tomatoes are a great substitute. Use about 2 cans of diced tomatoes.
Is it possible to make this soup on the stove instead of in a slow cooker?
Absolutely! Sauté the onions and garlic in a pot, add the tomatoes and broth, then let it simmer for about 30 minutes before blending.
How can I make the soup thicker?
To thicken the soup, you can add a potato or some cooked rice before blending. Alternatively, you can let it simmer uncovered for a bit after blending.

Slow Cooker Roasted Tomato Soup
- Total Time: 255 minutes
- Yield: 6 servings
- Diet: Vegan
Description
A comforting and flavorful soup that highlights the sweetness of ripe summer tomatoes, perfect for any time of the day.
Ingredients
- 2 pounds of ripe tomatoes, halved
- 1 onion, chopped
- 4 cloves of garlic, minced
- 2 cups vegetable broth
- 1 teaspoon dried basil
- 1 teaspoon dried oregano
- Salt and pepper to taste
- Olive oil
- Fresh basil for garnish (optional)
Instructions
- Preheat your slow cooker.
- In a bowl, toss the halved tomatoes, chopped onion, and minced garlic with olive oil, salt, and pepper.
- Transfer the mixture to the slow cooker.
- Add vegetable broth, dried basil, and oregano.
- Cover and cook on low for 6-8 hours or on high for 3-4 hours.
- Once cooked, use an immersion blender to puree the soup until smooth.
- Adjust seasoning to taste, garnish with fresh basil if desired, and serve warm.
Notes
Use ripe tomatoes for the best flavor. If they are not in season, canned tomatoes work well.
- Prep Time: 15 minutes
- Cook Time: 240 minutes
- Category: Soup
- Method: Slow Cooking
- Cuisine: American



