Delia tends not to deep-fry fish these days, but there's no denying that properly made fish and chips is one of life's greatest pleasures. If you really want to do it yourself, here's Delia's definitive batter recipe for fish. The vital point to remember when frying fish is that the fat must be really hot before the fish goes in. If it's not you will get a soggy result that's also very oily.