Hot Ham Sandwiches For A Crowd
["1 lb. baked ham, thinly sliced", "1/2 lb. Swiss or Provolone cheese, thinly sliced", "1/2 lb. soft margarine", "1 small onion, grated", "1 1/2 Tbsp. poppy seeds", "3 Tbsp. regular, prepared mustard", "1 Tbsp. Worcestershire sauce", "10 sandwich buns"]
["Make a paste of margarine, onion, poppy seeds, mustard and Worcestershire sauce.", "Spread the paste on the cut surfaces of both halves of each bun.", "Stack ham and cheese equally on the 10 buns. Wrap each sandwich in completely in a square of aluminum foil and place on a cookie sheet.", "At this point, the sandwiches may be kept in the refrigerator for up to 24 hours.", "Bake sandwiches for 20 minutes at 275\u00b0.", "May be doubled.", "Serves 10."]
["ham", "Swiss", "margarine", "onion", "poppy seeds", "regular", "Worcestershire sauce", "buns"]