Biscotti with Chocolate & Hazelnuts

wheat flour 49.4% , sugar 15.0% , non-hydrogenated vegetable fats 15.0% , cocoa powder 4.0% , egg 2.5% , chocolate 2.5% , butter 2.2% , Raising agent 2.2% , E503ii 2.2% , E336i 2.2% , skimmed milk powder 1.7% , hazelnut paste 0.3% , salt 0.2% , flavouring 0.2% , powdered egg white 0.2% , corn starch 0.6%