Ham And Cheese Rolls - cooking recipe

Ingredients

1/2 lb. soft butter
3 Tbsp. prepared mustard
1 1/2 Tbsp. poppy seed
1 tsp. Worcestershire
1 onion, grated
1 lb. chipped ham
12 slices Swiss cheese
12 hamburger buns

Preparation

Mix first 5 ingredients.
Spread mixture on both sides of buns.
Place ham and cheese on buns.
Wrap in foil.
Bake at 400\u00b0 for 10 minutes.
Can be frozen.
May make ahead and refrigerate, if so, heat 5 minutes.