1 stick butter, softened
2 tsp. prepared mustard
2 tbsp. poppy seeds
2 tsp. Worcestershire sauce
1 sm. onion, grated
1 pkg. (20) Pepperidge Farm Party Rolls
1/4 lb. thinly sliced boiled ham
1 (4 oz.) pkg. sliced Swiss cheese

Mix together butter, mustard, poppy seed, Worcestershire sauce and onion. Open rolls and spread mixture on both sides of roll. Put in ham and cheese. Wrap in foil and heat at 350 degrees until cheese melts. Can be made ahead and frozen before baking.