Cook pasta according to package directions; drain. Cover and keep warm.
Meanwhile, in a large saucepan cook mushrooms in hot margarine or butter until tender. Stir in Basic Italian Sauce or spaghetti sauce and Marvelous Meatballs; heat through.
Serve over hot cooked pasta. Top with Parmesan pieces or sprinkle with grated Parmesan. Makes 4 servings.