Preheat the oveIn a mixer, beat the eggs and vanilla essence until foamy and gradually add in the sugar. Beat until the volume expands to at least twice to three times the original quantity. In this process, you will witness the egg volume starts to expand, getting paler and paler. It will also become stickier and stickier. Once ready, ensure that egg batter drips down rather than flow down towards the mixer. Carefully sift in 1/3 of the flour. Use a spatula to stir until well combined. Repeat the same for the other 2/3 of the flour.n to 175 degree Celsius