3 lb. roast
1 1/2 c. chopped onion
1/2 c. packed brown sugar
2 tbsp. chili powder
1 tsp. salt
1 tsp. dry mustard
1 can tomato paste
1/4 c. vinegar

Follow list to add ingredients. Cook 8 hours, high, in crock pot. Separate with fork. Serve on hamburger buns.