5 Egg yolks
250g Soft butter
150g Icing sugar
2 (tsp) baking powder
Jam of your choice - apricot, red current or even plum if you are putting walnuts on top
7 Egg whites
250g Caster sugar
250g Ground walnuts or shredded coconut
Mix the above ingredients by hand to make a pastry, roll out between 2 sheets of baking paper. Bake on 160 C with fan for 10-15 minutes. Rest for a while then spread generously with jam.
Beat the egg whites until firm, gradually add sugar, then walnuts or coconut. Top the cake with the walnut or coconut topping. Bake for another 15 minutes.