1 whole Boston Butt, cut in 1-inch squares
1/3 cup vinegar
1 medium onion, cut small
1/8 tsp. garlic salt
1 (16 to 18 oz.) bottle barbecue sauce

Combine all ingredients, except sauce in crock pot and add water until meat is covered. Cook on high until meat falls apart when stirred with a fork. Drain water and add barbecue sauce. Stir and simmer on low for 1 hour.