Ingredients
The following ingredients have 4 Servings
- 1/2 cup butter
- 1/2 onion (finely chopped)
- 1/2 teaspoon prepared mustard
- 1/2 teaspoon dried mustard
- 1 pound sliced ham
- 8 slices Swiss cheese
- 8 hamburger buns
Instruction
- Preheat oven to 350 degrees.
- Melt butter in a saucepan with onions and both mustards, Simmer over low heat for 3-5 minutes.
- To assemble sandwiches, spread butter mixture on the inside of the buns.
- Place ham and then cheese on bun.
- Add top of bun and brush lightly with butter.
- Place each sandwich on a piece of foil and wrap closed.
- Place wrapped sandwiches on a baking sheet and bake for 20 minutes in a 350 degree oven.