Hot Ham And Cheese Sandwiches - cooking recipe

Ingredients

3/4 lb. butter or oleo
3 Tbsp. mustard
1 large onion
2 Tbsp. poppy seed (optional)
1 lb. chipped ham
1 lb. Swiss cheese, sliced

Preparation

Mix first 4 ingredients; spread on buns.
Add ham and one slice cheese.
Wrap each in foil.
Put in a 350\u00b0 oven for 15 minutes.