2 pkg. small dinner rolls
1 lb. Swiss cheese
1 lb. sliced ham
2 sticks butter
3 tbsp. mustard
3 tbsp. poppy seed
1 small onion grated
1 tsp. Worcestershire sauce

Slice dinner rolls in half. Put ham and cheese on slices of one side of the bread. Heat butter, mustard, poppy seed, onion, and worcestershire sauce together. Spread mixture on other side of bread. Put other side of bread on ham and cheese. Heat in oven at 350°F for 10 - 15 minutes.