– 3 Egg yolks – 20g Sugar – 3g Vanilla extract – 25g Vegetable oil – 40g Milk – 50g Cake flour – 1g Baking powder – 3 Egg whites – 50g Sugar – Strawberry jam – 200g Bread flour – 20g Sugar – 2g Salt – 3g Dry yeast – 120g Milk – 30g Unsalted butter