Preheat the oven to 325°F
Remove the spiral ham from packaging
Place the ham cut-side down in a roasting pan
Add a small amount of water, broth, or juice to the pan
Cover the ham tightly with foil
Bake for 10 to 12 minutes per pound, or until heated through
Remove the foil during the last 15 to 20 minutes if glazing
Brush on glaze if desired
Bake uncovered until the glaze is set
Check that the internal temperature reaches 140°F
Remove from the oven
Let the ham rest for 10 to 15 minutes
Slice and serve