Heat oven to 300° F.
Place ham with rind on rack in roasting pan, fat side up. Roast in preheated oven 18 minutes per pound.
During the last hour, trim rind, score fat crisscross and stud with cloves. Sprinkle top with brown sugar, then 3 Tbsp Kahlua.
Mix 1/2 cup Kahlua with mustard mixing well and pour into pan. Baste ham frequently with pan syrup.Servings: 6 to 8