Poppy Seed Ham and Cheese Rolls

2 pkg. Party Rolls (24 ea)
1 (8 oz.) pkg rectangular sliced ham
1 (8 oz.) pkg sliced swiss cheese
2 sticks (1 cup) margarine
2 T. Worcestershire
2 T. poppy seeds
4 T. brown sugar
2 T. prepared mustard

Melt margarine in a sauce pan, add Worcestershire, poppy seeds, mustard and brown sugar.
Mix and bring to a boil. Set aside.
Cut rolls across entire pack at once w/ a serated knife to make two large slices.
Layer ham, then cheese, then another layer of ham. Place top layer of rolls on this.
Cut large sandwich rectangle into 21-24 smaller sandwiches and place in a 9x13 pan (should hold both trays of rolls).
Spoon the sauce over the rolls, being careful to cover evenly.
Cover and refrigerate several hours or overnight.
Bring to room temperature and heat at 350 until cheese melts and rolls are heated (appx 30 min). S
eparate w/ knife so they may be picked up easily.