How to Make Kasutera (Castella), the Japanese Traditional Honey Cake - A Step-by-Step Guide

Kasutera, also known as castella, is a traditional Japanese sponge cake that has been enjoyed for centuries. This sweet delicacy is beloved for its moist and spongy texture, and its delicate sweetness that comes from honey and sugar. It is often enjoyed with a cup of green tea or as a special treat for celebrations and holidays in Japan.

The history of kasutera dates back to the 16th century when Portuguese merchants introduced the recipe to Japan. The cake was originally called "Pão ...

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Ingredients

  • 1 teaspoon butter, softened, or as needed
  • 1 ⅓ cups superfine sugar
  • 5 tablespoons honey, divided
  • 3 ⅓ fluid ounces milk
  • 8 eggs
  • 1 ⅓ cups superfine sugar
  • 1 ⅝ cups all-purpose flour, sifted twice
  • 1 cup sweet bean paste

Information

  • Prep Time: 30 mins
  • Cook Time: 50 mins
  • Additional Time: 10 mins
  • Total Time: 1 hr 30 mins
  • Servings: 6
  • Yield: 6 servings

  • Preheat oven to 375 degrees F (190 degrees C). Line a cake pan with parchment paper. Butter the paper and sprinkle with 1 teaspoon superfine sugar.
  • Bring a saucepan of water to a boil; pour into a large bowl.
  • Whisk 1/4 cup honey and milk together in a bowl until smooth.
  • Beat eggs with an electric mixer in a bowl placed over the hot water. Gradually add 1 1/3 cup superfine sugar; beat until smooth and mixture is warm. Remove bowl of egg mixture from the bowl of hot water and cool to room temperature, about 5 minutes. Return bowl of egg mixture to the hot water and continue beating. Repeat this process a few times until batter is foamy and thick.
  • Pour milk mixture into egg mixture and mix well using a spatula; stir in sifted flour until batter is mixed. Pour batter into the prepared cake pan.
  • Bake in the preheated oven until a toothpick inserted in the center of the cake comes out clean, about 50 minutes. Spread the remaining 1 tablespoon honey over the top of cake. Serve slices with sweet bean paste and ice cream, if desired.
  • Nutrition

    710 cal.

    • Total Fat: 8g
    • Saturated Fat: 3g
    • Cholesterol: 251mg
    • Sodium: 108mg
    • Total Carbohydrate: 149g
    • Dietary Fiber: 3g
    • Total Sugars: 105g
    • Protein: 15g
    • Vitamin C: 0mg
    • Calcium: 66mg
    • Iron: 4mg
    • Potassium: 302mg