Yield: 8 sandwiches
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1/4 cup butter, softened
2 tablespoons prepared horseradish and mustard
2 tablespoons chopped onions
1 teaspoon poppy seeds
1 teaspoon dill seed
8 slices Swiss cheese
8 slices cooked ham
8 hamburger buns
Cooking time: 20 minutes
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Preheat oven to 250 degrees F (120 degrees C).
Combine butter, mustard, onions, poppy seeds and dill seed. Spread insides of buns with this mixture. Place a slice of cheese and a slice of ham inside each bun.
Wrap buns in foil and place in preheated oven. Bake for 15 to 20 minutes, until cheese has melted.