1 lb. ground beef
1 1/2 tsp. Worcestershire sauce
1 1/2 tsp. horseradish
1 tsp. salt & pepper
1/3 c. chili sauce
1 1/2 tsp. mustard
1 tsp. minced onion
Hamburger buns

Cut buns in half and spread with meat. Brush with butter. Broil 5 to 7 inches from heat until cooked through.