1. Lightly oil a shallow baking pan. Place ham, cut side down, in pan and let stand at room temperature 1 hour.
2. Meanwhile, preheat oven to 350 degree F and arrange rack in center. Whisk together remaining ingredients in a bowl. Transfer 1 cup of mixture to a serving bowl, cover and reserve, for sauce. Cover and set aside remaining mixture, for glaze.
3. Bake ham 1-1/2 hours. Pour glaze over ham, covering completely. Continue to bake until golden brown (and an instant-read thermometer inserted in center by 2 inches, without touching bone, registers 140 degree F), 15 to 20 minutes. Remove from oven and let stand 10 minutes before carving. Serve ham with sauce on the side. Makes 8 servings.