1 stick butter
4 tbsp. mustard
2 tbsp. mayonnaise or salad dressing
2-4 tsp. poppy seeds
Buns
Shaved ham
Sliced hard salami
Sliced bologna
Swiss cheese
Onion, sliced (optional)

Mix together butter, mustard, mayonnaise and poppy seeds. Spread on both sides of bun; stack meat, cheese and onion on top. Wrap in foil and heat for 20-30 minutes at 350 degrees or prepare ahead in foil and freeze.