This recipe is as forgiving as Castiel discovering the Winchesters just ended the damn world again. Want to use up more chicken? Go for it. Don’t have any leftover potatoes? Microwave one until it’s cooked through and toss it in there. Hate onion jam? Well, I can’t help you blasphemers, but you can always leave it out. You’re wrong, but I’m not Santa Claus or Chuck, so your sins are irrelevant to me.