1/4 c. evaporated milk
1/2 slice soft bread, pulled in pieces
1/2 tsp. salt
1 tsp. onion, chopped fine
1/2 lb. ground beef

Mix ingredients thoroughly. Stir vigorously to blend. Place on rack under broiler 4 slices bread. Toast bread on one side and spread hamburger mixture on untoasted sides. Be sure to cover the edges. Return to broiler rack and broil until hamburger is done, 5 to 10 minutes.