Deviled Bunburgers

1 pound ground beef
1/3 cup chili sauce
1 1/2 teaspoon Worcestershire sauce
1 1/2 teaspoons mustard
1 1/2 teaspoons horseradish
1 teaspoon chopped onion
1 teaspoon salt
dash of pepper
4 hamburger buns
melted butter

Combine all ingredients except buns and butter.

Spread butter on each bun half. Spread 1/8 of mixture on each half of buns.

Place buttered buns with meat mixture on a cookie sheet.

Broil for about 10 minutes about 5 inches from flame.