1/4 c. mustard
1 tbsp. poppy seed
1 tbsp. onion flakes
1 stick butter, softened
Shaved ham
Swiss cheese

Mix together all ingredients. Spread onto sandwich rolls (crescent, kaiser, etc.). Add shaved ham and Swiss cheese. Bake 15-20 minutes at 350 degrees. May be frozen and placed in microwave 30 seconds to 1 minute as needed.