Oh, the glaze. This is the fun part. You can use brown sugar, honey, maple syrup, pineapple juice—whatever you have in the pantry.
Brush it on during the last 30 minutes of baking. If you put it on too early, the sugar burns before the ham is warm.
Think of it like sunbathing: you want to get the tan (or the glaze) after you’ve already soaked up the warmth, not at the very start.
A quick cheat sheet
Let’s make this stupid simple. For a typical 7-pound ham at 325°F: bake covered for about 70 minutes, then glaze and uncover for the final 20.
How to Cook Pre-Cooked Ham: Perfect Results Every Time
Total time: roughly 90 minutes. That’s about the length of two episodes of your favorite sitcom. Easy to track.
For a smaller 3-pound ham, you’re looking at 30 to 40 minutes total. That’s shorter than most movies. Boom.