1 c. butter
2 tbsp. poppy seed
1 tsp. Worcestershire sauce
3 tbsp. Dijon mustard
1/2 med. onion, grated
4 pkgs. rolls

Slice all rolls in pan simultaneously. Spoon mixture and spread evenly across bottom half of rolls. Pile 1 1/2 pounds shaved ham on top of mixture with 1/2 pound sliced Swiss cheese. Replace top half of rolls. Wrap in foil and refrigerate or freeze. Slice into individual rolls after removing from refrigerator. Place foil package in a 300 degree oven for 20 minutes. Makes 72 party rolls.