3 pounds beef boneless chuck roast
1 cup barbecue sauce
1/2 cup peach or apricot preserves
1/3 cup chopped green bell pepper
1 tablespoon Dijon mustard
2 teaspoons packed brown sugar
1 small onion, sliced
12 kaiser or hamburger buns, split
1 Trim excess fat from beef. Cut beef into 4 pieces. Place beef in 4- to 5-quart slow cooker.
2 Mix remaining ingredients except buns; pour over beef. Cover and cook on low heat setting 7 to 8 hours or until beef is tender.
3 Remove beef to cutting board. Cut into thin slices; return to cooker.
4 Cover and cook on low heat setting 20 to 30 minutes longer or until beef is hot. Fill buns with beef mixture.