Read all notes before beginning.
Remove the ham from the fridge 2 hours before cooking.
Thirty minutes before cooking , heat oven to 325°F and spray a roasting pan with nonstick spray. Line the pan with foil and spray the foil.
To prepare the glaze, combine all glaze ingredients in a medium-size saucepan, set over medium heat, and bring to a boil. Reduce heat to low and simmer about 10 minutes or until the mixture reduces and thickens.
Score a diamond pattern, with a sharp knife, in the ham just through the skin & fat layer. Cut the skin/fat layer about ¼-inch deep, with the parallel lines about 2-inches apart.
Pour cider into the bottom of the pan and set the ham flat side-down in the middle.
Reserve ½ of the glaze; set aside for serving.
Brush the glaze over the ham and place the ham on the center rack in the oven. Bake the ham at 325°F for 1½ hours, glazing every 30 minutes.
If the ham is browning too quickly, spray a piece of foil with nonstick spray and loosely place it, sprayed side-down, over the ham. The ham should take 10-15 minutes per pound to heat through. Remember the ham is already cooked, it just needs to be cooked through – the internal temperature should register 115°F on an instant read thermometer.
Remove the foil, if using.
When the ham has reached the desired internal temperature, baste it one more time. If the ham needs additional browning/caramelizing, set the oven to broil and let it brown 1-2 minutes – watch very closely.
Remove the pan from the oven and brush it with pan juices. Cover with aluminum foil and allow it to rest 15 minutes before slicing and serving.
Enjoy!