Japanese Custard Sponge Cake

1. Add butter and milk to a saucepan and bring to a boil, then add flour with a pinch of salt and mix intensively without removing from the heat until a thin crust appears on the bottom.

2. Transfer the dough to a mixer bowl and cool slightly.

3. Beat the egg whites with sugar until stiff peaks form.

4. Using the hook attachment, mix the cooled dough, adding eggs one by one.

5. While mixing the dough, you can add food coloring.

6. Combine the egg whites and the dough with a spatula, adding more coloring if necessary.

7. Spread the dough in an even layer on parchment paper and bake at 170 degrees Celsius for 15 minutes.

8. Cover with plastic wrap and allow to cool.

Tips

1. Use this sponge cake to decorate your cakes.