Mix brown sugar, honey, and crushed pineapple with juice together. Put sliced ham in a gallon freezer bag and pour pineapple mixture over the ham. Mix around. Put the freezer bag in a pan. (just in case bag leaks) Keep in the refrigerator overnight. Pour all into a pan or your crockpot. Bake in oven 350 degrees or crockpot on low until hot.