date and walnut cake

wheat flour 36.5% , sugar 24.8% , vanilla flavour buttercream 13.0% , egg 10.0% , walnut 7.0% , Humectant 3.5% , palm oil 2.6% , maltodextrin 1.3% , egg white 0.7% , rapeseed oil 0.3% , tapioca 0.2% , corn starch 0.1% , whey powder 0.0% , milk proteins 0.0% , Raising agent 0.0% , E500 0.0% , Emulsifier 0.0% , Preservative 0.0% , cereals containing gluten 0.0%