For sauce, in a large saucepan cook beef or turkey, onion, and garlic until meat is brown. Drain fat. Stir in undrained tomatoes, Italian seasoning, sugar, salt, and pepper. Bring to boiling; reduce heat. Simmer, uncovered, about 40 minutes or until most of liquid has evaporated, stirring occasionally.
Meanwhile, cook pasta according to package directions. Drain; keep warm.
Gradually stir the whipping cream into the sauce. Heat through, stirring constantly. Remove from heat. Stir in parsley.
Arrange the pasta on individual plates or a large platter. Spoon the sauce over the pasta. If desired, garnish with fresh rosemary sprigs. Makes 4 main-dish servings.