Plum cake al cacao preparato con yogurt

hazelnut spread 20.0% , rice flour 19.1% , sugar 30.5% , fresh egg 13.5% , sunflower oil 8.5% , whole yogurt 6.9% , soluble fibre 0.8% , cocoa powder 2.6% , potato starch 0.0% , Raising agent 0.0% , corn glucose syrup 0.0% , milk proteins 0.0% , whole milk powder 0.0% , Emulsifier 0.0% , flavouring 0.0%