红萝卜核桃蛋糕 Carrot Walnut Cake

Ingredients for cake : 4 egg yolks (蛋黄) 1 egg (全蛋) 20g caster sugar (细砂糖) 1/8 tsp salt(盐) 65g corn oil (玉米油) 45 water(水) 100g plain flour(普通面粉) 10g corn flour (玉米粉) 4 egg whites (蛋白) 1 tsp lemon juice (柠檬汁) 80g caster sugar (细砂糖) Filling : 350g durian flesh(榴梿肉泥) 100g milk(牛奶) 2 egg yolks(蛋黄) 40g caster sugar(细砂糖) 1 tbsp gelatine powder (鱼胶粉) 350g UHT whipping cream(动物性鲜奶油) 150g non-dairy whipping cream (植物性鲜奶油)