If you’re the type who sets a slow cooker and forgets it (no judgment, I am that person), this works beautifully. Place your ham in the slow cooker, add a cup of apple cider or chicken broth, and cook on low for 4 to 6 hours. The liquid keeps it moist, and the low heat gently warms it without making it tough. It’s like soaking in a warm bath for hours—your ham will emerge relaxed and delectable.
Here's How to Heat a Fully Cooked Ham
Just don’t cook it on high, because then you’ll get a ham that’s overcooked on the edges and stringy in the middle. That’s the ham equivalent of leaving a towel in the dryer for three hours—shrivelled and sad.