Mustard-Glazed Ham

1 boneless fully cooked ham (4 to 5 pounds)
3/4 to 1 cup water
1/4 cup orange marmalade
1/4 cup prepared mustard
1/4 teaspoon ground ginger

Place ham in a shallow roasting pan; add water to pan. Bake, uncovered, at 325° for 1 hour. In a bowl, combine marmalade, mustard and ginger; mix well. Brush some over the ham. Bake 1 hour longer or until a meat thermometer reads 140°, brushing occasionally with glaze. Makes 12-15 servings.