Croustade de pommes

apple 52.5% , sugar 11.0% , fortified wheat flour 11.0% , palm oil shortening 11.0% , oat flakes 7.3% , water 3.6% , butter 1.8% , modified corn starch 0.9% , liquid whole egg 0.5% , salt 0.2% , cinnamon 0.1% , concentrated lemon juice 0.1% , white vinegar 0.0% , E333 0.0% , E412 0.0% , E415 0.0% , yeast 0.0% , enzyme 0.0% , E281 0.0% , E202 0.0%