Crockpot Ham. Ingredients 1 Ham, pre-cooked, bone-in, spiral cut 3 Cups of Brown sugar 1 Can pineapple tidbits, undrained Directions Step One- Cover the bottom of the crock with brown sugar. Step Two-Place ham on top of the brown sugar and add the pineapple tidbits with the juice. Sprinkle ham with more brown sugar. Step Three-Cover and cook on low for 7-8 hours.