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Typically this is about 18 minutes per pound but Iâll sometimes pull mine out about 20 minutes before that since it will stay warm in the tinfoil (and even room temperature ham is MUCH better than dry)! Most directions for cooking a spiral sliced ham tell you to reheat your ham at 275F and I agree with this method.
Preheat your oven to 250 degrees farenheit. Place the ham in a roasting pan covered with about 1/4 to 1/2 inch of water in the bottom. Cook for 12 to 15 minutes per pound. Fol â¦ low the glazing instructions on the back of the ham label.Uncover and glaze 10 to 15 minutes before it finishes cooking.Cook uncovered once you glaze it. Kirkland Spiral ham should be cooked about 10 minutes per pound at 350 degrees. The internal temperature of an uncooked ham should be 145 degrees minimum to be considered fully cooked.