Shepherd'S Pie Casserole
["1 lb. ground meat", "1 medium onion, chopped", "1 can green beans, drained", "1 can corn, drained", "1 can tomato soup", "instant mashed potatoes (6 to 8 servings)", "Parmesan cheese"]
["Make mashed potatoes according to package directions.", "Brown ground meat; drain.", "Saute onions.", "Layer ground meat, green beans and corn.", "Pour tomato soup over all.", "Top these layers with mashed potatoes.", "Sprinkle potatoes with Parmesan cheese. Bake, uncovered, at 350\u00b0 for 30 minutes or until brown around edges and bubbly."]
["ground meat", "onion", "green beans", "corn", "tomato soup", "potatoes", "Parmesan cheese"]