Use a butt half cut of ham.
Trim some of the fat away and skin if there is any.
Wipe the ham down a bit and put in roaster with cut side down.
Score the top a few times and insert 10-15 whole cloves into the fat or score marks.
Mix 1/2 c. brown sugar and 3 to 4 tablespoons of yellow mustard together. Spread over top of ham.
Cover and cook at 325 degrees for 2-3 hours.