Petit beurre sans gluten

corn starch 45.8% , sugar 19.1% , tapioca 13.0% , butterfat 12.7% , potato starch 2.8% , corn flour 2.4% , rice flour 2.4% , skimmed milk powder 2.4% , powdered egg white 2.4% , powders to be raised 0.6% , E500 0.6% , E450 0.6% , salt 0.6% , egg yolk powder 0.6% , natural flavouring 0.0%