Castella Roll Cake
Castella Roll Cake is a soft and fluffy Japanese sponge cake rolled with a creamy filling, perfect for tea time or special occasions. Learn how to make this light and tender dessert with our easy recipe!

The Castella Roll Cake is a delicate and airy Japanese-style cake, known for its soft, fluffy texture and mild sweetness. Inspired by traditional Japanese Castella sponge cakes, this roll cake is made by blending a light, low-protein flour with eggs, milk, and a touch of lemon juice, resulting in a moist, cloud-like consistency. It’s then gently rolled with a layer of filling, such as apple jam, custard, or whipped cream, creating a perfect swirl with each slice. The golden-brown exterior and tender, melt-in-the-mouth interior make this cake a delightful treat for any occasion, balancing simplicity with refined flavor.
Ingredients
Nutritional Information
- Calories: 220
- Protein: 6g
- Fat: 10g
- Saturated Fat: 2g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrate: 26g
- Sugar: 15g
- Fiber: 0.5g
- Sodium: 100mg
- Cholesterol: 135mg
Directions
1. Step
In a bowl, combine 70 g milk, 50 g cooking oil, 1 g salt, 90 g low-protein flour, and 6 egg yolks. Mix until smooth.
2. Step
In a separate bowl, beat the egg whites with 1 teaspoon lemon juice until foamy. Gradually add 60 g sugar and continue mixing until stiff peaks form.
3. Step
Gently fold the egg yolk mixture into the beaten egg whites. Be careful not to overmix.
4. Step
Pour the batter into a microwave-safe baking tray. Bake at 160°C (320°F) for 30 minutes.
5. Step
Once the cake is done, spread a layer of apple jam (or filling of choice) evenly over the cake. Carefully divide it down the middle before serving.
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