Slow Cooker Creamy Tomato Basil Soup
Prep: 15 minutes
Cook: 45 minutes
Yields: 4 servings
Get ready for a flavor explosion that will leave you craving for more – Creamy Tomato Basil Soup is here to tantalize your taste buds. This mouthwatering recipe is a game-changer, and you’ll never go back to canned soup again.
This recipe is a staple in many households, and for good reason – it’s incredibly easy to make and can be cooked in a slow cooker, Instant Pot, or on the stovetop. The best part? It’s made with pantry staples, so you can whip it up whenever the craving strikes.
So, what makes this soup so special? The combination of acidic tomatoes, sweet basil, velvety cream, and salty Parmesan is pure magic. It’s a match made in heaven, and you’ll be hooked from the very first spoonful.
Now, let’s get started. This recipe makes about 6 servings, so feel free to adjust the ingredients based on your needs.
First, let’s prep our ingredients. You’ll need to chop up some onions, garlic, and fresh basil. Yes, it’s a bit of work, but trust us, it’s worth it.

Next, sauté the onions and garlic in a bit of olive oil until they’re soft and fragrant. This will add a depth of flavor to your soup that’s hard to resist.
Now it’s time to add in the canned tomatoes, tomato sauce, chicken broth, dried basil, salt, and pepper. Stir everything together, then bring the mixture to a boil.
Reduce the heat and let the soup simmer for at least 20 minutes, stirring occasionally. This will allow all the flavors to meld together and the soup to thicken up nicely.

While the soup is simmering, let’s make the roux. Yes, it’s an extra step, but it’s essential for creating a creamy, velvety texture. Simply melt some butter in a saucepan, then whisk in some flour. Cook for a minute or two, until the mixture is lightly golden.
Slowly pour in some heavy cream, whisking constantly to avoid lumps. Bring the mixture to a simmer and cook until it thickens up nicely.

Now it’s time to blend the soup. You can use an immersion blender, a regular blender, or even a food processor. Just be sure to blend the soup until it’s smooth and creamy.
Return the soup to the pot and stir in the roux, Parmesan cheese, and some chopped fresh basil. Let the soup simmer for a few minutes, until the cheese is melted and the soup is heated through.

And that’s it. Your Creamy Tomato Basil Soup is ready to be devoured. Serve it up with some crusty bread or a side salad, and you’ve got a meal that’s sure to please even the pickiest of eaters.
This soup is a real showstopper, and it’s perfect for any occasion. Whether you’re serving it at a dinner party or just enjoying it on a cozy night in, it’s sure to be a hit.

So go ahead, give this recipe a try. Your taste buds will thank you.
Printable Recipe
Ingredients
- 2 tablespoons olive oil
- 1 medium onion, chopped
- 3 cloves garlic, minced
- 2 cans (28 ounces each) crushed tomatoes
- 1 can (15 ounces) tomato sauce
- 3 cups chicken broth
- 1 teaspoon dried basil
- Salt to taste
- Pepper to taste
- 1/2 cup unsalted butter
- 1/2 cup all-purpose flour
- 1 cup heavy cream
- 1/2 cup grated Parmesan cheese
- 1/4 cup fresh basil, chopped
Instructions
- 1. Chop onions, garlic, and fresh basil.
- 2. Sauté onions and garlic in olive oil until soft and fragrant.
- 3. Add canned tomatoes, tomato sauce, chicken broth, dried basil, salt, and pepper. Stir and bring to a boil.
- 4. Reduce heat and let the soup simmer for at least 20 minutes, stirring occasionally.
- 5. In a saucepan, melt butter and whisk in flour. Cook until lightly golden.
- 6. Slowly pour in heavy cream while whisking constantly to avoid lumps. Bring to a simmer until thickened.
- 7. Blend the soup until smooth and creamy using an immersion blender, regular blender, or food processor.
- 8. Return the soup to the pot and stir in the roux, Parmesan cheese, and chopped fresh basil. Simmer until cheese is melted and soup is heated through.
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