Chocolate trifles

skimmed milk 37.5% , whole milk 27.3% , cream 17.0% , sugar 9.5% , double cream 5.4% , tapioca 2.7% , belgian dark chocolate 2.0% , wheat flour 0.0% , fat reduced cocoa powder 0.0% , egg 0.0% , belgian milk chocolate 0.0% , dehydrated glucose syrup 0.0% , dextrose 0.0% , cocoa paste 0.0% , Emulsifier 0.0% , whole milk powder 0.0% , cocoa butter 0.0% , Stabiliser 0.0% , milk proteins 0.0% , skimmed milk 0.0% , flavouring 0.0% , Raising agent 0.0% , Acidity regulator 0.0%