Check the package instructions for reheating; but, in general, here's how to reheat a fully cooked ham. Place the ham in a roasting pan. Place some water in the bottom of the pan. Many recipes call ...
Transfer to the oven and cook for 1 hour. Remove the ham from the oven and cut off any tough outer skin and fat. Place the pineapple rings evenly over the ham, then brush the pineapple with the ...