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1/2 cup (1 stick) butter or margarine
1/4 cup mustard
1 tablespoon dried onions
1 tablespoon poppy seed
Mix thoroughly and spread on buns. Add 1 or 2 slices ham and 1 slice Swiss cheese. Wrap in aluminum foil. Bake at 350 degrees F for 10 minutes.
These can be frozen, unbaked.
Makes 12 to 16 sandwiches.
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