1 lb. lean hamburger
1/2 c. milk
1/4 c. catsup
1 tbsp. prepared mustard
1 tbsp. Worcestershire sauce
1 tsp. vinegar
1 tsp. sugar
1 tsp. salt
Dash of pepper

Mix together all of the above. Split 6-8 hamburger buns. Butter each half, if desired. Spread meat mixture in a thin layer of bun halves. Broil 3 inches from broiler unit for 5 minutes or until brown.