500
(1) If you do not use fresh ingredients in the casserole, then it will not taste good. (2) It looks as though some of your ingredients are expired, so (3) the dish will not taste good. Also, (4) if you cook the casserole for too long, then it will burn, and (5) the casserole has been in the oven at least ten minutes longer than the time stated in the recipe. So, (6) the casserole is probably burnt. For these reasons, (7) the casserole is probably inedible.
(see diagram)