recipe BBC上的recipe，原料只需面粉，糖，黄油和鸡蛋 http://www.bbc.co.uk/food... Sponge cake – BBC Food Recipes "Sponge cake" standard sponge recipe the BBC’s recipe BBC网站找好“sponge cake”配方 BBC simple sponge cake recipe BBC上的recipe，原料只需面粉，糖，黄油和鸡蛋 BBC上的recipe，原料只需面粉，糖，黄油和鸡蛋 the BBC’s recipe This one from the BBC Food website