The water and sugar are placed on a hotplate and stirred until the sugar melts. Then get out the liquid from the heat, add orange (lemon) crusts and vanilla sugar and let it cool for 5-10 minutes, then add and the oil (melted margarine). Then add half of the flour and turned into yogurt soda and stir the mixture. The rest of the flour Pour into pan, make a well in which pour the mixture and interfere until a stiff dough. It rolled crust thickness of about 5 mm and with different shapes cut biscuits. Bake in an oven preheated to 180C degrees. Biscuit can make and delicious biscuit cake. I received about 30 biscuits rectangular shape (you can see them from the photos).