mix brown sugar, pepper and pineapple juice together in a bowl to form a paste.
3. rub a few tablespoons of the paste on the flat part of the ham and place it, flat side down, in the crock pot.
4. rub the remaining sugar mixture over the rest of the ham.
5. cover* and cook on low for 4 to 6 hours.
*if your ham is too big for your crock pot, use foil as the lid. secure and seal it tightly. 