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 ...
Holiday Baked Ham is one of the best main dishes ... ham reaches the ideal internal temperature of 140°F for a fully cooked ham or 145°F if you’re starting with an uncooked ham.
Cook for 4–5 minutes, or until thickened, stirring constantly. Add two-thirds of the cheese, the cooked gammon or ham and the mustard ... the remaining cheese. Bake for around 20 minutes ...