Ingredients

1/3 cup butter, softened1/2 cup dried minced onion1/3 to 1/2 cup prepared mustard2 tablespoons poppy seeds8 hamburger buns, split16 slices deli ham8 slices Swiss cheese

Preparation

In a small bowl, combine the butter, onion, mustard and poppy seeds; spread about 2 tablespoons on each bun. Layer with ham and cheese; replace tops. Wrap each sandwich in foil.

Bake at 350° for 6-10 minutes or until cheese is melted.