Ham And Cheese Rolls - cooking recipe

Ingredients

1/4 lb. soft butter
3 Tbsp. prepared mustard
1 tsp. Worcestershire sauce
1 onion, grated
12 hamburger buns
1 lb. chipped ham
12 slices Swiss cheese

Preparation

Mix the first 4 ingredients.
Spread on both sides of buns. Put ham and cheese on buns.
Wrap with foil and heat in a 350\u00b0 oven for 15 minutes.