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Ham Slices (about 3/4 pound)
1 medium onion finely diced
3 Tbl. mustard (I used dijon)
3 Tbl. poppy seeds
2 tsp. Worcestershire sauce
2 sticks margarine/butter
Slice your rolls in half horizontally, keeping them all together.
Melt the margarine and then whisk in the onion, mustard, poppy seeds, and Worcestershire sauce.
Brush the mixture evenly on both the top and bottom half of the rolls. On the bottom top the mustard mixture with the swiss cheese and ham slices.
Cover with foil and bake about 15-20 minutes, or until cheese is melted.
Remove from oven and separate the rolls.