Whip with mixer separately from the yolks with the majority of sugar. The yolks are broken down with the remaining sugar and then mixed together with the oil, lemonade, instant coffee and stir with a mixer to give a homogeneous mixture. Then add the flour and baking powder and stir with a spoon. The finished mixture is added the walnuts chocolate broken into small pieces and finely fragmented Turkish delight. Pour the mixture into a greased and floured cake pan. Bake in preheated oven at 200C degrees 30-40 minutes. By roast is removed from the mold and pour the melted chocolate.