2 sticks butter
3 tsp. prepared mustard
1 1/2 tsp. poppy seeds
1 tsp. Worcestershire sauce
3/4 lb. boiled ham, sliced paper thin
12 slices Swiss cheese, shredded
6 rolls, either onion rolls or hamburger buns
1 med. onion, grated fine

Mix butter, mustard and Worcestershire sauce and onion together. Spread on insides of all rolls (both sides). Alternate layers of ham and cheese. Wrap individually in aluminum foil. Bake in hot oven at 350 degrees for 15 minutes. These may be frozen for future use. Allow about 15-30 minutes to thaw before baking.