175 Sponge Cake
Take the weight of ten eggs, in sifted loaf sugar, beat it well with the yolks of twelve eggs, then grate in the peel of a fresh lemon, and add the juice of half an one. Beat the whites of six eggs to a froth, and mix them with the sugar and yolks. Beat the whole, well together without any cessation, for fifteen minutes, on a shallow plate, then stir in very gradually the weight of six eggs, in sifted flour, put it in a moderate oven, as soon as the flour is well mixed in, and bake it from fifteen to twenty minutes.