My last job on Fridays I used to fry fish Pollock or Haddock,often about 300 hundred bits of fish.My mix was 3 2 1.3 kg of plain flour 2kg cornflour and 1kg baking power mix with sparkling water. Allow to rest for at least an hour.We also did pie mash, garden peas and mushy peas.Gravy and curry sauce. Pies often chicken,beef or lamb and a veggie one.