Ingredients: Cake flour 230g Baking soda 1/4 tsp Salt 1/2 tsp Sugar 280g Whole eggs 7 (each egg with shell weighs around 60g) Egg whites 3 Avocado oil 110g (option vegetable oil) Water 140g Lemon juice 30g Lemon zest 1 tbsp Vanilla extract 1 tsp Cream of tartar 1/2 tsp

蛋糕材料： 低筋麵粉 230克 蘇打粉 1/4茶匙 鹽 1/2茶匙 白糖 280克 全蛋 7個（每個雞蛋的重量帶顆大約是60克） 蛋白 3個 無味植物油 110克 水 140克 檸檬汁 30克 檸檬皮 1湯匙 （只要檸檬皮的黃色部分） 香草精 1 茶匙 塔塔粉 1/2 茶匙

*Preheat oven to 325℉/160℃ One 10-inch tube pan, or two 8-inch by 3-inch cake pan

*Tips: Preheat the oven 30minutes before you bake because when you preheat the oven, the oven temperature will be even. Eggs and water should be room temperature so the cake will rise properly when you bake it. Wash lemon before use it, When you』re grating, make sure grate away the yellow part of the peel only, not the white pith! The pith has a bitter flavor and should be avoided.