So a thawed, pre-cooked half ham at 7 pounds would generally take two to three hours; from frozen, it would take four to four and a half. However, different types of ham have different cooking times.

“Even though a fully cooked ham is ready to eat, if you’re serving it hot, you should heat it to an internal temperature of 145°F, which won't dry out ham the way it will fresh pork,” says ...

How Long To Cook a Ham According to the USDA, both half- or whole-cooked hams —canned and vacuum-packaged in an FDA-inspected facility—can be eaten chilled, straight from the packaging. If you ...

The U.S. Department of Agriculture says the center of the ham needs to reach 140 degrees to fully reheat. Figure 18 to 24 minutes per pound for half, bone-in hams and 10 to 15 minutes for boneless.

If you have a whole bone-in ham between 10 and 14 pounds, cook it at 325°F for 18 to 20 minutes per pound. If you have half of a bone-in ham between 5 and 7 pounds, cook at 325°F for 22 to 25 ...