Created on January 29th, 2014
Preheat oven to 325 degrees.
Slice Croissants in half
Combine butter, mustard, poppy seeds and onion.
Spread on half of each croissant.
Top with 2 1/2 oz of ham and a slice of cheese.
Put halves together.
Wrap each sandwich in foil and place in oven for 15 minutes.
These sandwiches may be frozen in foil and warmed, unwrapped at 325 degrees for 25-30 minutes.