Double Chocolate Muffin

wheat flour 50.0% , sugar 25.0% , vegetable oil 12.5% , water 6.3% , dark chocolate 6.0% , cocoa paste 0.1% , cocoa butter 0.1% , Emulsifier 0.0% , flavouring 0.0% , vanilla 0.0% , Humectant 0.0% , milk chocolate 4.0% , whole milk powder 0.0% , cocoa butter 0.0% , cocoa paste 0.0% , Emulsifier 0.0% , flavouring 0.0% , vanilla 0.0% , whole powdered egg 0.0% , Modified starch 0.0% , fat reduced cocoa powder 2.0% , dextrose 0.0% , Raising agent 0.0% , salt 0.0% , Emulsifier 0.0% , Preservative 0.0% , E330 0.0% , Stabiliser 0.0% , flavouring 0.0%