This section is from the book "Facts Worth Knowing", by Robert Kemp Philip. Also available from Amazon: Inquire Within for Anything You Want to Know.
Take equal weight of egg and sugar; half their weight in sifted flour; to twelve eggs, add the grated rind of three lemons, and the juice of two. Beat the eggs carefully, white and yolks separately, before they are used. Stir the materials thoroughly together, and bake in a quiet oven.
Almond Sponge Cake is made by adding blanched almonds to the above.
 
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