2 pkgs. party rolls
Boiled ham
Swiss cheese

Split party rolls horizontally. Set aside top half. Layer ham and cheese on bottom half. Replace top.

Pour over top the following mixture:

1 stick butter (melted)
1 tbsp. Worcestershire sauce
1 tbsp. prepared mustard
1 tbsp. minced onion
1 tbsp. poppy seed (optional)

Heat 25 minutes in 350 degree oven. Cover tightly with foil. (May be frozen before cooking.)