Hot Ham Sandwiches
["2 lb. shaved baked ham", "1/2 lb. shaved Swiss cheese", "1/2 stick margarine, softened", "6 Tbsp. horseradish mustard", "2 Tbsp. chopped onion", "12 small hamburger rolls"]
["Combine ham, margarine, mustard and onion.", "Put into rolls. Layer on cheese.", "Cover with top of roll.", "Wrap each sandwich in foil and bake about 10 minutes at 350\u00b0, until warm."]
["ham", "Swiss cheese", "margarine", "horseradish mustard", "onion", "hamburger"]