Hot Ham and Cheese Sandwiches

By Lois

4.55 / 5

10min

20min

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¼ cup butter softened
2 tablespoons prepared horseradish mustard
2 tablespoons chopped onions
1 teaspoon poppy seeds
1 teaspoon dill seed
8 slices Swiss cheese
8 slices cooked ham
8 hamburger buns