Ham Sandwiches
["1/4 c. soft margarine", "2 Tbsp. horseradish mustard", "2 tsp. poppy seed", "2 Tbsp. chopped onion", "4 hamburger buns", "4 thin slices boiled ham", "4 slices Swiss cheese"]
["Mix butter, horseradish, poppy seed and onions.", "Spread on sandwich.", "Bake for 20 minutes at 350\u00b0."]
["margarine", "horseradish mustard", "poppy seed", "onion", "buns", "thin", "Swiss cheese"]