3lb. lean ground beef 1 cup chopped onions 1 cup chopped celery 1/2cup chopped green bell pepper 1(12-oz.) bottle chili sauce 1(6-oz.) can tomato paste 2 to 3 tablespoons brown sugar 2 tablespoons Worcestershire sauce 1/4 teaspoon pepper 16 sandwich buns, split

In large skillet, cook ground beef, onions, celery and bell pepper over medium-high heat for 5 to 7 minutes or until beef is thoroughly cooked, stirring frequently. Drain.
In 3 1/2 to 4-quart slow cooker, combine ground beef mixture and all remaining ingredients except buns; mix well.
Cover; cook on low setting for 4 to 6 hours.
Stir; spoon beef mixture into buns