(from Modern Cookery, In all its Branches, by Eliza Acton, 1845)
Ingredients:
4 eggs
6 oz. sugar
6 oz. flour
4 oz. butter
1 lemon rind
1/3 tsp. carbonate of soda
candied citron, optional
Instructions:
Whisk four fresh eggs until they are as light as possible, then, continuing still to whisk them, throw by slow degrees the following ingredients in the order in which they are written: six ounces of dry, pounded, and sifted sugar; six of flour, also dried and sifted; four ounces of butter just dissolved, but not heated; the rind of a fresh lemon; and the instant before the cake is moulded, beat well in the third of a teaspoonful of carbonate of soda: bake an hour in a moderate oven. In this, as in all compositions of the same nature...