Ingredients
- 1 onion
- 425 gr hamburger (lean)
- 10 ml catsup
- 7 ml prepared mustard
- 5 ml worcestershire sauce
- 5 gr prepared horseradish
- 1 gr salt
- 1 slice bread
Mix all ingredients. Shape into 4 patties, about 9 cm in diameter. Place in square baking dish 8 x 8 x 5 cm. 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.
