In a large bowl, combine beef, bread crumbs, egg, onion, ketchup, salt and pepper; mix
well.
Pat meat mixture firmly into 8-inch square baking dish. Bake in 350 degree oven for 30
minutes.
Remove from oven; drain excess fat.
In a large bowl, combine 3/4 cup cheese and mashed potatoes.
Spread evenly over meat; sprinkle with remaining 1/4 cup cheese.
Return to oven; bake an additional 20 minutes or until meat is cooked through and potatoes are hot
