using a sharp knife, score surface of ham with 1/4 -inch-deep cuts in a diamond pattern. arrange pineapple and cherries evenly on ham; secure with wooden toothpicks. spoon some of the glaze over the ham. bake at 325degf for a total of about 2 - 2 1/2 hours, basting with the extra glaze and pan juices every 30 minutes.