1 (10-pound) cured ham, not pre-sliced
1 cup firmly packed light brown sugar
1/2 tsp ground mustard
1/4 cup white vinegar
Directions:
Preheat oven to 325 degrees
In a roasting pan, place ham cut side down onto a sheet of aluminum foil. Score the skin fat making a diamond pattern and bake, covered tightly with foil, for 10 minutes per pound.
In a small bowl combine brown sugar, ground mustard and white vinegar.
15 minutes before end of bake time spread glaze evenly over ham and bake uncovered for remaining 15 minutes.Transfer ham to a platter and let stand 15 minutes before carving.
**Optional:
Pin orange or pineapple slices to outer surface with toothpicks.