75驳/2陆辞锄 plain flour
50g/2oz plain flour
75驳/2陆辞锄 cornflour
soy sauce, to serve
vegetable oil, for deep-frying
1 free-range egg, lightly beaten
1.5kg/3lb 5oz uncooked king prawns, shells and central veins removed
188ml/6陆fl oz beer