Hot Ham Sandwiches

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.