39. Parisian Sandwich.

2-oz. butter.
2 eggs.
1 teaspoonful baking powder.
2-oz. sugar.
3-oz. flour.
Little milk.

Pour on two greased plates and bake. Prepare filling. Put ½ teacupful of sugar, 1 dessertspoonful of cornflour, mixed with ½ teacupful of cold water, into a pan and simmer till thick. When cold, add beaten yolk of 1 egg, and enough lemon juice to flavour well. Spread the mixture on one cake, and press the other on the top.