The butter mix with sugar until white. Add egg whites, beaten snow the walnuts and crushed caramelized nuts. Mix well. Pour into the pan, greased with butter and sprinkled with flour. Bake in a moderate oven. For glaze yolks and powdered sugar is broken down by heat to sgastyavyane. Add the melted chocolate, stir and pour evenly over the baked dough. Allow to cool and cut into squares.