Barbecue Pork Roast

1 pork roast (or beef) 
Juice of 1 lemon 
1 small onion, cut up 
1 teaspoon sugar 
1 bottle barbecue sauce 

Cook roast covered in water (start with hot water) in Crock Pot overnight on low 10-12 hours. Pour off water and pull meat into shredded pieces. Saute onion in a little butter. Combine barbecue sauce, onions, sugar and juice of lemon with meat in Crock Pot and cook on high for 1 1/2 to 2 1/2 hours, or on low for 3 to 6 hours. Serve shredded pork on buns.