• Spray inside of slow cooker with non-stick cooking spray.
• If applicable, remove the plastic piece covering the bone. *Score ham about ¼-⅓ inch deep, about 1 inch apart in a diamond pattern. If using, **add cloves to the corners of the diamonds.
• To the slow cooker, add ham cut side down.
• In a measuring cup or medium bowl, combine juice, sugar, and syrup to make the glaze. Using a silicone brush or pastry brush, brush the ham with the glaze to cover. Pour remaining glaze over the ham.
• Cover and cook on low for 3.5-5 hours, or until ham reaches an internal temperature of 140°F on an instant read thermometer. At the 2 hour mark, check the ham temperature and baste the ham.
• Remove cooked ham from slow cooker and allow to rest for 15 minutes before slicing and serving.

For the Glaze:

• To thicken the optional glaze, turn slow cooker to high and cover. Cook for 5-10 minutes, or until slightly thickened, stirring every couple of minutes.
• In a small bowl, mix cornstarch and water to create a slurry. While stirring, add slurry into the juices in the slow cooker and cover.
• Cook for 5-10 minutes, or until slightly thickened, stirring every couple of minutes.
• Serve in a small dish alongside the ham, or drizzle over the sliced ham.