n n Beat the egg whites, add sugar when the foam appear, then keep beating until stand peak forms.n n In another bowl, cream the butter and sugar until smooth and fluffy.n n Add three egg yolks and beat well, sift in flour and mix until well combined.n n Add in lemon juice, zest and milk.n n Then add merugine at three times, fold it gently until combine.n n Transfer into ramekins, then place in baking tray. Pour hot water into baking tray till 1/3 of the ramekin.n n Pop in prehated oven at 160C, bake for 40 to 45 minutes.n n Let them cool on wire rack, dust with icing sugar, It is better serve when is warm.nn