Cakes aux pépites de chocolat

egg 21.1% , sunflower oil 21.1% , sugar 18.0% , rice flour 18.0% , potato starch 18.0% , chocolate chunk 9.0% , glucose syrup 2.0% , E422 2.0% , corn flour 2.0% , E412 2.0% , E415 2.0% , rice starch 2.0% , rapeseed lecithin 0.1% , lifting powders 0.1% , E500 0.1% , E341 0.1% , salt 0.1% , flavouring 0.0% , extract rich in tocopherols 0.0%