After wrapping your ham, place it on a baking tray with the cut side down.
How to heat ham slices. Before cooking the ham, brush the slices with oil. This will help to prevent the ham from drying out and help it to stay. Now you cut the waffle in half and fold the ham over the middle and cover it.
Then you slice the ham and fold it. Next you slice it again and fold it on the bottom half of the waffle. Remove all packaging materials and place ham face down directly into baking dish or roasting pan.
Preheat the oven for about 10 minutes at 325 °f, and place the tray on the middle rack. Cook the steak for 3 to 4 minutes on each. Ham can be easily warmed without drying out in the oven.
Heat a large skillet over medium heat. Place slices of ham in a baking pan and cover with aluminum foil. Or use an oven roasting bag;
(place whole ham on its side.) cover. Once it is hot enough to sizzle water, add the ham steak. Follow instructions on the bag for preparation.