In court Boil carbonated water and the butter. Cool. In a bowl mix ground walnuts, grated chocolate, grated lemon rind, sugar and semolina. Each skin is smeared with chilled butter with a brush. 5 cm from the end sprinkle a thick layer of walnut mixture, place a long, thin skewer (knitting needle) and wrapped around the needle does not sheet very tight roll. Rolled crust rests in the wall of the tray and push back the sheet is removed the needle. The aim of pushing to get wrinkling sheet folding. Everything is repeated until the products and peel. Baklava pour melted margarine. Bake in a preheated 200 ° C oven for 20-30 minutes until golden. Preparation of the syrup: In court melts 100 g of sugar caramel on low heat. Pour 100 ml boiling water to the caramel and stir. Add remaining sugar and another 300 ml water and boiled for about 10 minutes to thicken the syrup as baklava. Finally, add the vanilla and mix again. Pour hot syrup baklava cold or hot baklava with cold syrup. Stew and allowed to stand for 24 hours. * When boiling the syrup optional can add dried orange peels.