In two separate bowls, break eggs and separate egg whites from yolk, add the 3tbsp to the yolk and whisk properly to make a meringue.

In the other bowl that has the egg yolks, add in milk, oil, flavor,flour, cornflour, baking powder and mix well, there should be no lumps

Then add in the meringue in 2 batches and fold gently in order not to deflate the meringue.