In a large sauce pot over high heat, bring four quarts of unsalted water to a boil. Add frozen pasta; stir gently. Reduce heat to medium and cook, uncovered for five minutes or until tender, then drain. Toss pasta in butter or olive oil with Parmesan cheese, or serve with your favorite sauce.
Whether you are entertaining guests or preparing a traditional family meal, serving tortellini “family style” allows everyone to customize this classic dish. Prepare tortellini according to directions above, then plate on a shallow serving dish. Heat your favorite sauces and serve alongside tortellini. Sprinkle with freshly grated Parmesan.