Remove from the stove and add 120 ml full cream milk
Mix well and then cool the cheese cream mixture
Add egg yolks and vanilla extract into the cheese cream mixture and whisk thoroughly
Add lemon zest to cheese egg mixture and mix well
Sieve cake flour, corn flour and salt together
Add flour mixture a little at a time and mix well
Slowly pour cake mixture into the greased pan
Place cake pan inside a larger pan, filled with hot water (with a piece of cloth below) up to 1 inch water level
If cake starts to turn brown, cover with aluminium foil