Ingredients
1 large onion, chopped1 tablespoon butter2 pounds plum tomatoes, seeded and quartered3 cups reduced-sodium chicken broth or vegetable broth1 can (8 ounces) tomato sauce1 tablespoon minced fresh basil1/4 teaspoon saltDash pepper1 cup dried cheese tortellini1/3 cup shredded Parmesan cheese
Preparation
In a large saucepan, saute onion in butter until tender. Add the tomatoes, broth, tomato sauce, basil, salt and pepper. Bring to a boil. Reduce heat; cover and simmer for 30 minutes. Cool slightly.
Cook tortellini according to package directions; drain well and set aside. In a blender, cover and process soup in batches until smooth. Return to the saucepan; add tortellini and heat through. Garnish with cheese.