n In the bowl put sifted flour, cocoa and baking powder. Add sugar, oil, eggs, extract and chocolate. Mix together, you can use spatula.nn Put the dough in the fridge for about 30 minutes. Lined baking pan with baking paper. Preheat oven to 350 degrees F (175C). From the dough form the balls, roll in icing sugar and put on the baking paper with widely space between.nn Bake cookies about 10 – 12 minutes, cool them in the pan. Cookies can be stored even more than a week in box (their structure does not change).n