Chocolate Chestnut Chiffon Roll Cake 巧克力栗子戚风蛋糕卷 Gâteau roulé en mousseline aux marrons et chocolat

How to make candied chestnuts:    • Candied chestnuts Marrons glacés 糖水栗子   How to make chestnut puree:    • Chocolate Chestnut Cake 巧克力栗子蛋糕 Gâteau au ...   Ingredients Chestnut Chiffon Cake Mold of 28cm x 28cm 3 egg yolks Vegetable oil 30g Milk 20g Chestnut puree 50g Cake flour 50g 3 egg whites Sugar 50g 150°C (302°F) for 18-20 minutes Chestnut cream Chestnut puree 450g Dark rum 5g Unsalted butter 50g Chocolate Ganache Dark chocolate 50g Liquid cream 50g whipped cream Liquid cream 150g Decoration Candied chestnuts Chocolate Gold leaf