Ham And Cheese Party Rolls
["2 pkg. Pepperidge Farm party rolls (20 rolls per pkg.)", "1/4 c. prepared mustard", "1/4 c. dehydrated onion flakes", "1/2 c. soft margarine", "1 Tbsp. poppy seed", "1/2 lb. boiled, sliced ham", "1/2 lb. sliced Swiss cheese"]
["In medium bowl, combine mustard, onion, margarine and poppy seed.", "Do not separate rolls first.", "Split entire roll package horizontally and spread each side with mustard mixture.", "Cut ham and cheese into squares to fit individual rolls.", "Put one of each on each roll, then top with other half of roll package.", "Separate rolls and return to original aluminum pan.", "Cover with foil and heat at 325\u00b0 for 20 to 25 minutes.", "Can be made ahead and frozen. Do not heat until ready to serve.", "Serves 8 to 10 persons."]
["party rolls", "prepared mustard", "onion flakes", "margarine", "poppy seed", "ham", "Swiss cheese"]