1/2 lb. butter
3 tbsp. mustard
3 tbsp. poppy seed
1 med. onion, chopped
1 tsp. Worcestershire sauce
Pepperidge Farm party rolls
1 lb. boiled, shredded ham
1/3 lb. Swiss cheese, cut in sqs.

Blend first 5 ingredients. Split rolls. Spread top and bottom with above mixture. Place between rolls: Shredded ham and Swiss cheese. Cut into squares. Wrap in foil. Bake 10 minutes at 400 degrees. These may be wrapped individually or in pan covered with foil.