2 pkg. dinner rolls (24 per pkg.)
Deli sliced ham
1 pkg. sliced Swiss cheese
3 tbsp. mustard
3 tbsp. poppy seeds
1 stick butter
1 sm. onion, grated

Heat mustard, poppy seeds, butter and onion. Slice roll tops off. Add sauce to tops and bottom on the inside of rolls. Layer ham and cheese, put top back over rolls. Bake at 250 degrees until cheese melts.