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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.
Step 4. Put the ham in the oven and cook for 15 to 18 minutes per pound for a whole ham, 18 to 24 minutes for a half ham, or until the internal temperature of the ham reaches 140 F. Brush the ham with the glaze several times during the last hour of cooking.You Might Also Like. semi-boneless ham gives you the best of both worlds: the shank bone is removed for ease of carving, but the leg bone remains to give the ham more flavor.