About 2 1/2 hours before serving: Cut meat into serving pieces. In Dutch oven over medium heat, in hot shortening brown meat on all sides. In small bowl, stir 3/4 cut water, onion, ketchup, celery, brown sugar, vinegar, Worcestershire, salt and mustard; pour over meat Cover and Simmer 2 hours or until meat is fork-tender.

About 20 minutes before meat is done: Prepare noodles as labile directs; drain.

Place meat on heated platter. Skim any excess frat from pan sauce. In cup, stir flour with 2 tablespoons water; stir into sauce and cook, stirring constantly, until thickened. Serve sauce with noodles and meat.