I eat a lot of haddock; it has a fine, clean flavour and if you get a thick piece is quite similar to cod. You can use haddock for any recipes for which you would use cod. It roasts, fries, poaches ...
Air fryers have become a kitchen must-have. For a while, many jokes floated around that people who owned one never stopped talking about it. Consider me guilty of this, as I can't stop raving about it ...