Step 1

Place pork in a 6-quart slow cooker and sprinkle with salt and pepper. Top with onions then pour root beer over meat. Cover and cook on high setting 7 to 8 hours, or until pork shreds easily with a fork.

Step 2

Remove pork to a large cutting board and shred with two forks. Place pork mixture in a large skillet. Stir in 1 cup liquid from slow cooker along with onions. Add barbecue sauce; mix well.

Step 3

Cover and heat over medium heat 6 to 8 minutes, or until heated through. Serve on toasted rolls.