SOUFFLE CASTELLA CAKE

6.Add in the yolks, one at a time. Mix until they are well incorporated.
7.Mix the egg whites on low speed until foamy or fluffy. Add in fine sugar in 3 batches. Continue mixing in medium speed. Mix until soft peak.

8.Add a small portion of the egg whites into the yolk mixture. Fold gently with a whisk. Transfer this yellow mixture into the big portion of egg whites. Then fold gently until mixture is even.

9.Transfer the mixture into a 21 x 21 x 7cm mould, lined with non-stick parchment paper.

10.Bake in preheated oven at 165°C for 70-75 minutes.

10. Enjoy.