In a Dutch oven, cook the beef, celery, green pepper and onion over medium heat until meat is no longer pink; drain. Stir in the tomato soup, brown sugar, ketchup, vinegar, mustard, Worcestershire sauce, pepper, salt and garlic powder; heat through.
Grill hot dogs, covered, over medium heat for 6-10 minutes or until heated through, turning occasionally. Serve on buns. Top each with 1/4 cup beef mixture. Top with warmed process cheese sauce and grilled onions if desired. Yield: 16 servings.