2 pkg. party rolls
1 1/2 lb. shaved deli ham
1 sm. onion, finely chopped
3 tbsp. poppy seed
2 tbsp. worcestershire sauce
2 tbsp. mustard
1 stick butter
2 c. grated mozzarella cheese

Combine onion, poppy seed, butter, mustard and worcestershire sauce in sauce pan. Bring to a boil. Cook till onions are clear. Slice rolls lengthwise. Spoon on bottom layer of rolls. Add ham and close.

Bake at 350°F for 10 minutes.