1 c. butter
3 tbsp. poppy seeds
1 tsp. Worcestershire
3 tbsp. prepared mustard
3/4 lb. sliced Swiss cheese
1 med. minced onion
3 pkg. party rolls (Pepperidge Farm or 60 small rolls)
1 lb. boiled ham (thinly sliced or shaved)

Preheat oven to 400 degrees. Cream butter, poppy seeds, Worcestershire and mustard. Add onion and mix well. Halve rolls lengthwise and place cut side up in pan. Spread butter and layer ham and cheese. Cover with remaining halves. (see note) Cover with foil and bake for about 10 minutes.

NOTE: Can be frozen at this point.