Ham Rolls
["1 1/2 Tbsp. mustard", "1 c. margarine, softened", "2 Tbsp. poppy seed (optional)", "2 (7 1/2 oz.) pkg. party rolls", "1 tsp. Worcestershire sauce", "3/4 lb. thinly sliced ham", "8 oz. thinly sliced Swiss cheese", "1 small onion, chopped fine"]
["Combine mustard, margarine, poppy seed and onion.", "Cut rolls into halves without pulling apart.", "Spread both sides with mustard mixture.", "Cut ham and cheese into pieces and assemble on rolls. Put back into pans and cover with foil.", "Bake at 300\u00b0 for 10 to 15 minutes, until cheese melts.", "Cut apart and serve.", "Can be frozen."]
["mustard", "margarine", "party rolls", "Worcestershire sauce", "ham", "Swiss cheese", "onion"]