Add olive oil and butter to a large saucepan over medium heat. Once melted, add the diced onion, red pepper, and green pepper. Cook, stirring occasionally, for about 5 minutes.
1 Tablespoon olive oil, 1 Tablespoon butter, 1 onion, 1 red pepper, 1 green pepper
Add the garlic and stir. Mix in the flour and cook for another minute.
2 cloves garlic, 1/4 cup all-purpose flour
Pour in the sun-dried tomatoes, vegetable broth, diced tomatoes, tomato sauce, Italian seasoning, and dried basil. Season with salt and pepper. Taste the broth and adjust seasonings if necessary.
4 cups chicken stock or vegetable broth, 28 ounce can crushed tomatoes, 1/2 teaspoon dried basil, 1 teaspoon Italian seasoning, Salt and freshly ground black pepper to taste
Bring the mixture to a gentle boil and add the tortellini. Cook until the tortellini are tender.
8 ounces cheese tortellini
Remove from heat and stir in the spinach, parmesan cheese, and cream.
1/2 cup freshly grated parmesan cheese, 1 1/2 cups fresh spinach leaves, 1/2 cup heavy cream or half and half
Add the chopped basil and serve the soup warm.
1/4 cup fresh basil leaves