Pineapple Glazed Ham

Combine the pineapple juice, ginger, and garlic in a saucepan. Bring to a boil, reduce the heat to medium-low and simmer 25 minutes, reducing the liquid by half (to 2 cups). Strain and reserve. Preheat the oven to 350 °F. Carefully trim the thick rind and all but 1/4 inch of fat from the surface of the ham. With a sharp knife, score a diamond pattern and insert the cloves at the crossed points of the diamonds. Set the ham in a shallow baking pan. Brush the mustard all over the top. Pat the sugar atop the mustard. Starting at the butt end, decoratively arrange the pineapple rings, securing with cherries and toothpicks in the centers, working toward the bone. Pour the reserved pineapple juice into the bottom of the pan and place in the oven. Bake for 1 1/2 hours, basting every 15 minutes. When the ham is done, place it on a serving platter and let rest for 15 minutes. Carve into thin slices, beginning at the butt end. Serve warm with pan sauce alongside. Remove the pineapple slices and cherries as you carve and serve them with the ham.