Kahlua Baked Easter Ham

1 (10 pound) pre-cooked ham
3/4 cup firmly packed brown sugar
3 tablespoons Kahlúa
1/2 cup Kahlúa
2 tablespoons dry mustard
Whole cloves

Place ham with rind on rack in roasting pan, fat side up. Roast at 300 degrees F 18 minutes per pound. During the last hour, trim rind, score fat in a criss-cross diamond fashion and stud with cloves. Sprinkle top with brown sugar, then with the 3 tablespoons Kahlúa.