2 tablespoons packed brown sugar
2 tablespoons cider vinegar
1 teaspoon salt
1 teaspoon beef base
2 1/2 pounds beef round steak, trimmed of fat and cut into serving-size portions
1 tablespoon Gold Medal all-purpose flour
1 package (16 ounces) wide egg noodles
Place onions in 4- to 5-quart slow cooker. Top with brown sugar, vinegar, salt and beef base. Top with beef. Sprinkle flour over beef.
Cover and cook on low heat setting 7 to 8 hours.
About 15 minutes before serving, cook and drain noodles as directed on package. To serve, pour onions and broth over beef and noodles.