Ingredients:

1/2 c. butter
1/8 tsp. Accent
1 tbsp. poppy seeds
1/2 c. horseradish mustard

1/4 c. chopped onion
6 hamburger buns
6 slices turkey ham
6 slices Swiss or American cheese

Directions:

Mix together all ingredients except for ham & cheese; spread on 6 hamburger buns.
On each bun, place a slice of  ham & a slice of Swiss or American cheese.  
Wrap each "bomb" individually in foil.
Bake at 350ºF for 15 minutes.