1 large onion, sliced
 1 boneless pork roast
 15 whole cloves
 1/2 cup water
 1 bottle of your favorite barbecue sauce
 1 tsp. sugar
 
 Place onion slices into the bottom of a large crockpot.  Dot roast
 with cloves; place roast in crockpot along with the water.  Cover 
 and cook at least 8 hours (or overnight).  Take roast from crockpot,
 remove cloves and shred pork.  Discard liquid and onions from
 crockpot.  Place shredded pork, barbecue sauce and sugar in crockpot
 and cover.  Cook at least 2 more hours. Serve on toasted buns with
 slices of fresh onion (if desired).