1 pkg. sliced ham
1 pkg. mozzarella cheese

SAUCE:

1 stick butter
1 med. onion, minced
2 tsp. mustard
2 tsp. Worcestershire sauce
Biscuits (sm.)

Saute the sauce ingredients for a few minutes. Cut the ham and cheese the size of the biscuits. Split the biscuits, place into the biscuits the sauce and the ham and cheese. Just before serving, heat in the microwave to melt the cheese.