Seive flour and cocoa and put aside

In a bowl beat eggs whites until soft peaks form.

Very careful sprinkle the sugar on top of the white, being very careful not to collapse them. Add the egg yolks and vanilla and beat until soft firm peaks form.

Fold in the mixture of flour and cocoa gentely so that the air doesn't escape.

Put the batter in the baking tin and bake for 40-50minutes or until a skewer inserted comes out clean

Once the cake has completely cooled, use sugar syrup to moisten the cake.