Ingredients

1 large onion, sliced

1 medium green pepper, sliced

1 celery rib, chopped

1 boneless beef chuck roast (2 to 3 pounds)

1 can (14 1/2 ounces) Italian stewed tomatoes

1/2 cup beef broth

1/2 cup ketchup

3 tablespoons brown sugar

2 tablespoons Worcestershire sauce

4 1/2 teaspoons prepared mustard

3 garlic cloves, minced

1 tablespoon soy sauce

1 teaspoons pepper

1/4 teaspoon crushed red pepper flakes

3 tablespoons cornstarch

1/4 cup cold water

Preparation

Place the onion, green pepper, and celery in a 5 quart slow cooker. add the roast. In a large bowl, combine the tomatoes, broth, ketchup, brown sugar, Worcestershire sauce, mustard, garlic, soy sauce, pepper, and pepper flakes; pour over meat. Cover and cook on low for 5 to 6 hours or until meat is tender. Remove meat and vegetables; keep warm. Skim fat from cooking juices if necessary, transfer to a small saucepan. Combine cornstarch and cold water until smooth; stir into cooking juices. Bring to a boil; cook and stir for 2 minutes or until thickened. Serve with a roast.