Trim fat from meat. Season meat with salt and pepper. Place meat in crock cooker. Top with onions and garlic.Pour diet root beer over roast to cover. Cook on High setting 4-5 hours or Low setting 7-8 hours.
Meanwhile, for the sauce, in a deep sided pan combine 4 bottles of chili sauce and 2 cans or bottles of diet root beer. Bring to a boil. Boil gently uncovered,stirring occasionally for 25 minutes.Add root beer conc. and hot pepper sauce as desired.
Transfer cooked roast to carving board. Remove onions from juices. Using 2 forks pull meat apart into shreds. Add shredded meat to sauce.
Serve on hambuger buns with reserved onions. |