Remove all packaging materials, including the clear “button: on the bone of the ham.
Place ham in a shallow roasting pan. Ham should be cooked Flat/Face Side Down. Cover ham tightly with aluminum foil to help retain moisture.
Bake at 275°F until ham reaches an internal temperature of 140°F. Check temperature regularly after the first 90 minutes. DO NOT OVERCOOK!
Remove ham from the oven and increase the temperature to 425°F.
Prepare glaze. Blend ham glaze content with 3 tablespoons water in small saucepan. Heat, stirring constantly, until mixture comes to a boil.To prepare in microwave oven, combine glaze and 3 tablespoons water in a 1.5quart bowl. Microwave on High (100%) power about 1 minute or until glaze comes to a boil, stirring every 30 seconds.
Brush or spoon prepared glaze over ham and between slices.
Bake uncovered at 425°F for 8 to 10 minutes.
Remove ham from the oven; let stand for 10 minutes before serving.
Keyword Costco Sliced Ham, Kirkland Signature Spiral Sliced Ham, Spiral Sliced Ham