Add the essence and fold in the egg white, do not beat the egg while, just fold it in with a wooden spoon or spatula.
Double boil the mixture, till the custard starts to thicken.
8)Pour into the dish in which the caramel has been prepared and kept ready. By now, the caramel will be cool and rock hard.
Pour some water on the baking tray and put the baking dish into the water.
Cover the dish with aluminium foil and bake in about 180 degrees for about 30 minutes and reduce to 160 degree about another 20 minutes.
Once the dish is set, allow it to cool to bring it to room temperature.