This easy crock pot barbecue beef is a snap to make in the slow cooker. If it's raining and you can't cook out, turn to the slow cooker An easy dr. Pepper barbecue sauce is flavored to perfection. Serve the beef shredded in sandwiches with coleslaw and extra sauce. The crock pot is perfect for this beef, but feel free to cook it in a covered dutch oven in a preheated 275 f oven for about 5 hours. The roast should be very tender and easy to shred.