Hamburger Patties

1 lb Lean Hamburger

1 ea Small Onion, Chopped

1 ea Slice Bread, Cubed

2 T Catsup

1/2 t Salt

1 1/2 t Prepared Mustard

1 t Worcestershire Sauce

1 t Prepared Horseradish

Mix all ingredients. Shape into 4 patties, about 3 1/2 inches in diameter. Place in square baking dish 8 x 8 x 2-inches. If desired, brush each patty with additonal catsup. Cover loosely and microwave on high (100%) 5 minutes; turn dish one-quarter turn. Microwave until done, 2 to 3 minutes.