Unleash Your Inner Baker with this Decadent Chocolate Castella Cake Recipe!

 Chocolate Castella Cake is a popular Japanese dessert that's soft, fluffy and has a rich chocolate flavor. This cake is perfect for any occasion, whether it's a special celebration or a casual get-together with friends. In this guide, we will show you how to make this delicious cake with just a few simple ingredients and tools. So let's get started!


  • 5 eggs
  • 100g sugar
  • 100g all-purpose flour
  • 20g cocoa powder
  • 1 tbsp milk
  • 1 tbsp vegetable oil


  • Mixing bowls
  • Whisk
  • Sifter
  • 8-inch square baking pan
  • Parchment paper

Step-by-Step Guide:

I. Preparing the ingredients

  • Sift the flour and cocoa powder together in a mixing bowl.
  • Separate the egg yolks and egg whites into two separate bowls.
  • Grease the baking pan with vegetable oil and line it with parchment paper.

II. Making the batter

  • Beat the egg yolks and sugar together in another mixing bowl until pale yellow.
  • Add the milk and vegetable oil to the mixture and whisk until well combined.
  • Sift the flour and cocoa powder mixture into the egg yolk mixture and mix until smooth.

III. Whisking the egg whites

  • In a separate bowl, beat the egg whites until foamy.
  • Gradually add sugar to the egg whites while continuing to beat until stiff peaks form.

IV. Combining the batter and egg whites

  • Mix 1/3 of the egg whites into the batter and whisk until well combined.
  • Gently fold in the remaining egg whites until there are no white streaks in the batter.
  • Pour the batter into the prepared pan.

V. Baking the cake

  • Preheat the oven to 320°F and place the cake inside.
  • Bake for 45-50 minutes or until a toothpick inserted comes out clean.
  • Remove from the oven and let it cool in the pan before removing.

Making a Chocolate Castella Cake may seem intimidating, but with this step-by-step guide, it's easy to make a delicious cake that's sure to impress your friends and family. Remember to sift the flour and cocoa powder, beat the egg whites until stiff peaks form, and gently fold them into the batter to ensure a light and fluffy texture. So go ahead and give this recipe a try, and let us know how it turns out in the comments below!