1 lb. ground beef
1 (8 oz.) can tomato sauce
1 med. onion
1/2 c. sweet minced pickles
1 tbsp. Worcestershire sauce
1 tbsp. prepared mustard
12 hard rolls, split
12 slices American cheese

Brown beef. Drain. Combine beef, tomato sauce, onion, pickle, Worcestershire sauce and mustard. Spread on hard rolls. Top with cheese. Wrap rolls in aluminum foil and place on baking sheet at 400 degrees for 20 to 25 minutes.