1.To make custard cream: beat egg yolks, sugar and butter until stiff, fold in sieved custard powder and flour.Add in milk and vanilla essence, beat until smooth.

• 做法：1.；吉士馅：将蛋黄、糖及牛油打至企身，加入牛油、筛过的吉士粉及面粉拌匀，最后加入牛奶及云呢拿油打至软滑即可备用。