Chocolate Sponge Cake Recipe Leave a Comment / Cookie Haven / By Eric huang Eggs: 6 (approximately 360g) Low-gluten flour: 75g Cocoa powder: 10g Corn oil: 50g Milk: 50g Caster sugar: 20g (for egg yolks) Caster sugar: 60g (for egg whites) Lemon juice: as needed Cornstarch: 10g Chocolate chips: as needed