1/2 lb. butter, at room temperature
3 tbsp. poppy seeds
1 tsp. Worcestershire sauce
3 tbsp. mustard
1 med. onion, chopped fine
3 pkg. Pepperidge Farm party rolls
1 lb. ham, sliced
1 1/3 lb. Swiss cheese, sliced

Blend first 5 ingredients. Slice rolls and spread top and bottom with blended sauce (save some for last step). Place ham and cheese on each roll. Place tops on bottom rolls. Place rolls back in pan. Wrap in tin foil. Bake 10 minutes at 400 degrees. (These can be frozen and used 1 package at a time.)