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Fluffy Japanese Cotton Cake – Light, Airy & Perfectly Moist ๐ŸŽ‚✨


Japanese Cotton Cake is a delicate, cloud-like sponge cake that’s soft, jiggly, and melts in your mouth. It combines the airy texture of a soufflรฉ with the rich taste of a cheesecake. Perfect for tea time or a special dessert, this light and fluffy cake is a must-try!

Why You’ll Love This Recipe

Super Soft & Fluffy – Light as air with a melt-in-your-mouth texture.
No Baking Powder Needed – The beaten egg whites create natural fluffiness.
Moist & Buttery – Perfect balance of richness and lightness.
Easy Ingredients – Uses simple pantry staples.


Ingredients ๐Ÿ›’

Wet Ingredients:

  • 6 large eggs, separated
  • ¼ cup (60ml) milk
  • ½ cup (113g) unsalted butter, melted
  • 1 tsp vanilla extract
  • 1 tbsp lemon juice (for stability)

Dry Ingredients:

  • ½ cup (60g) cake flour (or all-purpose flour, sifted)
  • ¼ cup (30g) cornstarch (for extra softness)
  • ½ cup (100g) sugar (split into two portions)
  • ¼ tsp salt

Instructions ๐Ÿ‘จ‍๐Ÿณ

Step 1: Prepare the Batter

  1. Preheat your oven to 320°F (160°C). Line a 9-inch cake pan with parchment paper.
  2. In a heatproof bowl, mix butter, milk, and vanilla extract. Warm it slightly until butter melts. Let it cool.
  3. Add egg yolks to the mixture and whisk until smooth.
  4. Sift in flour, cornstarch, and salt, then fold gently until no lumps remain.

Step 2: Beat the Egg Whites (Meringue)

  1. In a separate bowl, beat egg whites on medium speed until foamy.
  2. Add lemon juice, then gradually add half the sugar, beating until stiff peaks form.

Step 3: Combine & Bake

  1. Gently fold the meringue into the egg yolk mixture in three parts, using a spatula to keep it airy.
  2. Pour the batter into the prepared pan and tap gently to remove air bubbles.
  3. Place the cake pan into a larger tray with hot water (water bath method).
  4. Bake for 60 minutes at 320°F (160°C), then lower to 300°F (150°C) for another 10 minutes.

Step 4: Cool & Serve

  1. Turn off the oven and let the cake sit for 10 minutes with the door slightly open.
  2. Remove from the oven, cool completely, and serve with powdered sugar or fresh fruit.

Pro Tips for a Perfect Cotton Cake

Use Cake Flour – It keeps the cake extra soft and delicate.
Water Bath is Key – Prevents cracks and keeps it moist.
Beat Egg Whites Correctly – Stiff peaks give the cake its airy texture.
Don’t Overmix – Fold gently to avoid deflating the batter.


Frequently Asked Questions (FAQs)

❓ Can I Make This Without a Water Bath?

You can, but the cake may crack. A water bath ensures a smooth, even rise and moist texture.

❓ Can I Add Flavors Like Chocolate or Matcha?

Yes! Add 1 tbsp cocoa powder or 1 tsp matcha powder to the dry ingredients for a flavored version.

❓ How Do I Store This Cake?

Store at room temperature for 1 day, or refrigerate for up to 3 days.


Final Thoughts ๐Ÿ’ญ

This Japanese Cotton Cake is the ultimate soft, fluffy, and light dessert that’s perfect for any occasion. Whether enjoyed with coffee, tea, or fresh fruit, it’s a must-try recipe!

๐Ÿ”ธ Loved this recipe? Share it with your friends and family! ❤️

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