Cotton Soft Castella Cake

Directions

  1. 1Slice the cake and take a piece with a fork.
  2. 2Crack 6 eggs into a bowl.
  3. 3Separate the egg yolks from the egg whites.
  4. 4Add unsalted butter, vegetable oil, and milk to a pan.
  5. 5Over medium heat, melt the butter.
  6. 6Pour the mixture into a bowl and add cake flour.
  7. 7Whisk into hot oil mixture.
  8. 8Let it cool.
  9. 9Add the egg yolks and whisk.
  10. 10Add lemon juice to egg whites and beat until foamy.
  11. 11Gradually add sugar and beat until stiff peaks form.
  12. 12Gently fold in the meringue into the egg yolk mixture.
  13. 13Line an 8x8x3 in square pan with baking paper.
  14. 14Divide the mixture in 3 equal parts.
  15. 15Mix cocoa powder with water and add to the last third of the batter.
  16. 16Using piping bags, alternate the light and dark batter into the square pan.
  17. 17Tap to remove bubbles.
  18. 18Add hot water to a baking tray and place the cake tin inside.
  19. 19Bake in a preheated oven at 160°C for 60 minutes.
  20. 20Remove the cake from the pan immediately while it's hot, this will help to avoid the cake from shrinking.
  21. 21Let it cool.
  22. 22Cut the cake and serve.

Ingredients

  • 6 eggs
  • 0.5 cup unsalted butter
  • 0.25 cup vegetable oil
  • 0.75 cup milk
  • 1.5 cups cake flour
  • 6 egg yolks
  • 6 egg whites
  • 1 teaspoon lemon juice
  • 0.75 cup sugar
  • 1 tablespoon cocoa powder
  • 2 tablespoons water

Equipment

knifeforkbowlspoonfrying panstovewhiskelectric mixerspatulasquare panbaking paperpiping bagoven

Tips

  • Remove the cake from the pan immediately while it's hot to avoid the cake from shrinking.