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Traditional Japanese Sponge Cake Kasutera – A Light & Fluffy Delight

Japanese sponge cake Kasutera: A Light and Fluffy Delight

Ouissam Recipes
Kasutera is a traditional Japanese sponge cake known for its airy, moist texture and subtle sweetness. Made with simple ingredients, it’s a delightful treat perfect for any occasion.
Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Course Snack
Cuisine Japan
Servings 4 people

Equipment

  • Mixing bowls
  • Electric hand or stand mixer
  • Fine-mesh sieve
  • Spatula
  • 9-inch square or round cake pan
  • Parchment paper
  • Oven

Ingredients
  

  • 4 Large eggs
  • 120 g Granulated sugar
  • ½ tsp Vanilla extract (optional)
  • 120 g All-purpose flour
  • ¼ cup Milk
  • ¼ cup Unsalted butter
  • Salt A pinch

Instructions
 

  • Preparation Steps:
    Preheat oven to 160°C (320°F) and line your baking pan with parchment paper.
    Melt butter & milk together, then let it cool.
    Whisk eggs & sugar until pale, thick, and tripled in volume.
    Sift in flour gradually and fold gently to keep it airy.
    Incorporate the butter-milk mixture carefully without deflating the batter.
    Pour into pan and bake for 30-35 minutes until golden.
    Cool, slice, and enjoy! 🍰

Notes

  • Beating eggs properly is key to achieving a fluffy texture—don’t rush this step!
  • For a richer taste, you can add honey or matcha powder.
  • Best served slightly chilled or at room temperature with green tea.
Keyword Easy Kasutera, Fluffy Sponge Cake, Homemade Kasutera, Japanese Sponge Cake, Kasutera Cake