METHOD Preheat the oven to 180 degrees celcius Beat together the butter and sugar until light and fluffly. Separate the eggs and gradually add the yolks to the mixture. Break the chocolate into small pieces in a separate bowl and melt in the microwave (put it in for 30 seconds at a time, stirring between each one until melted). Stir the melted chocolate into the mixture. Whisk the egg whites until stiff Seive the flour Fold or whisk in the flour and egg whites bit by bit. Divide between 2 greased and lined 8 inch sandwich tins Bake for 20 minutes or until a skewer comes out clean. Turn onto a cooling rack.
