1/2 c. soft butter
2 tbsp. poppy seeds
2 tbsp. prepared mustard
1-3 tsp. Worcestershire sauce
2 tbsp. onion flakes
30 Pepperidge Farm dinner rolls
30 slices Swiss cheese
30 slices smoked ham

Mix together first 5 ingredients and spread filling on both sides of sliced dinner rolls. Fill rolls with a piece of ham and sliced Swiss cheese. Wrap with foil and heat until mixture is melted. These can be frozen before heating.