In a large frying pan combine and cook the burger ,celery salt, and onion and fry until burger is brown.
Mash potatoes(thicker and creamier the better).
Combine the meat, mixed veggies, tomato soup, Worcestershire sauce, and red hot sauce in large baking dish or 2- 9x13 dishes. Mix it all together well and spread out evenly. Spread mashed potatoes over the top. Sprinkle cheese on top.
Bake in the preheated oven covered for 30 minutes; uncover and bake for 5 minutes.