Hot Ham And Cheese Sandwiches
["1/2 c. butter", "1/2 c. chopped onion", "2 Tbsp. poppy seed", "1/2 c. mustard", "8 large hamburger buns", "8 slices Swiss cheese", "8 slices thin sliced ham"]
["Combine the first 4 ingredients and spread on bun.", "Put 1 slice cheese and 1 slice ham on each bun.", "Wrap in foil.", "Heat in oven 15 minutes.", "May be frozen."]
["butter", "onion", "poppy seed", "mustard", "buns", "Swiss cheese", "thin"]