2 sticks soft butter
3 tbsp. mustard
1 tbsp. Worcestershire sauce
3 tbsp. poppy seeds
1 sm. onion, grated
1/2 lb. sliced ham
1/2 lb. sliced Swiss cheese
2 dozen dinner rolls

Mix the first 5 ingredients. Spread on opened dinner rolls. Add ham and cheese and top with dinner roll. Cover with roil and heat in a 350 degree oven until cheese melts, about 20 to 25 minutes.