Hot Ham Buns
["4 Tbsp. butter or oleo, softened", "2 Tbsp. prepared horseradish", "mustard", "2 tsp. poppy seed", "2 Tbsp. finely chopped onion", "4 hamburger buns, split", "4 thin slices boiled ham", "4 slices Swiss cheese"]
["Mix butter, mustard, poppy seed and onion and spread on the surface of buns.", "Tuck a slice of ham and cheese in each bun. Arrange on a baking sheet and bake in 350\u00b0 oven for 20 minutes until hot."]
["butter", "horseradish", "mustard", "poppy seed", "onion", "buns", "thin", "Swiss cheese"]