Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '2 pounds ground beef', '2 cans (8 ounces each) tomato sauce', '1 cup sliced fresh mushrooms, optional', '2 garlic cloves, minced', 'Salt and pepper to taste', '4 cups hot mashed potatoes (prepared with milk and butter)', '2 cups shredded cheddar cheese',<sep> directions: 'In a large skillet, cook beef over medium heat until no longer pink; drain. Stir in the tomato sauce, mushrooms if desired, garlic, salt and pepper.', 'Transfer to a greased 13x9-in. baking dish. Top with potatoes; sprinkle with cheese. Bake, uncovered, at 350° for 35-40 minutes or until heated through and cheese is melted.'

Potato-Topped Casserole