Hot Ham On Buns

Directions

1. 1
   Combine onion, mustard, poppy seed and butter.
2. 2
   Spread mixture on bun like butter, then put slice of cheese on bun on top with a slice of ham.
3. 3
   Wrap each bun individually in foil and bake at 300° for 20 minutes.
4. 4
   You may also leave unwrapped and bake at 250° until done.