Instructions
1/2 cup butter
1 tablespoon grated onion
2 tablespoons prepared mustard
1 tablespoon poppy seeds
16 hamburger buns
1 1/2 pounds thinly sliced ham
16 slices Swiss cheese
16 sheets of aluminum foil
Mix together butter, onion mustard and peppy seeds. Spread on buns. Add 2 ounces ham and a slice of cheese to each sandwich bun. Wrap in foil and bake at 350 degrees for 15 to 20 minutes.
