Beef And Tater Squares
["1 1/2 lb. ground beef (chuck)", "1 c. soft bread crumbs (2 slices bread)", "1 egg, beaten", "1/2 c. chopped onion", "1/3 c. ketchup", "1 tsp. salt", "1/8 tsp. pepper", "4 c. mashed potatoes"]
["Mix all ingredients except potatoes and pat into a 3-quart casserole dish.", "Bake, uncovered, at 350\u00b0 for 30 minutes.", "Remove from oven and drain off fat.", "Combine 4 cups hot mashed potatoes with 3/4 cup Cheddar cheese.", "Spread over meat and top with 1/4 cup cheese.", "Bake for 20 minutes.", "Let cool 5 minutes, cut into squares and serve."]
["ground beef", "bread crumbs", "egg", "onion", "ketchup", "salt", "pepper", "potatoes"]