Rival 18 Qt Roaster Oven with Buffet Server "heat fully cooked ham" Questions

heat a bone in, fully cooked spiral ham. How long and at what temp. The ham is almost 11#. You could heat it on low power in the microwave at about 50% power for about 10 minutes, let it sit for a few

...and stir. Don't check too often, because it will release heat and slow cooking time down. Takes 5 hours to fully cook. (Note: bean pkg has quick soak method which works in place of the overnigt