Mini Castella cakes, also known as Kasutera, are a delightful Japanese sponge cake with a sweet and delicate flavor. Here's a simple recipe for making Mini Castella cakes:
    Ingredients:
- 4 large eggs, at room temperature
- 1 cup granulated sugar
- 1 cup all-purpose flour
- 2 tablespoons honey
- 2 tablespoons milk
- 2 tablespoons unsalted butter, melted
- 1 teaspoon vanilla extract
- Pinch of salt
Instructions:
- Preheat the Oven:- Preheat your oven to 325°F (163°C).
- Grease mini cake molds or muffin tins with butter or cooking spray.
 
- Prepare the Eggs:- In a large bowl, beat the eggs until they are well combined.
 
- Add Sugar Gradually:- Gradually add the sugar to the beaten eggs, and continue to beat until the mixture becomes thick and pale.
 
- Sift the Flour:- Sift the all-purpose flour into the egg and sugar mixture. Gently fold the flour into the batter until just combined.
 
 
 Add Liquid Ingredients:- In a separate bowl, mix together the honey, milk, melted butter, vanilla extract, and a pinch of salt.
 
- Combine Batter:- Gently fold the liquid mixture into the batter until smooth and well combined. Be careful not to overmix.
 
- Fill the Molds:- Pour the batter into the prepared mini cake molds or muffin tins, filling each mold about 2/3 full.
 
- Bake:- Bake in the preheated oven for approximately 20-25 minutes, or until a toothpick inserted into the center of a cake comes out clean.
 
 
 Cooling:- Allow the Mini Castella cakes to cool in the molds for a few minutes before transferring them to a wire rack to cool completely.
 
- Serve:- Once cooled, gently remove the Mini Castella cakes from the molds and serve.
 
These Mini Castella cakes are soft, moist, and have a wonderful honey-sweet flavor. They make for a delightful treat with tea or as a sweet snack. Enjoy your homemade Mini Castella cakes!