1/2 lb. butter
3 tbsp. poppy seed
3 tbsp. mustard
1 tbsp. Worcestershire sauce
1 med. onion, chopped fine
1/2 lb. Swiss cheese
12 oz. boiled ham
Pepperidge Farm party rolls

Slice the party rolls. Mix first 5 ingredients and spread on the rolls. Cover with the ham and cheese. Replace tops of the rolls. Wrap securely if you intend to freeze these to use later. When ready to serve, bake at 400 degrees for 20 minutes.