Soy Bean Sponge
- Pastry flour or top flour 40 g
- Soy bean powder (kinako) 20 g +
- Preheat oven to 200°C. Line a 28 x 28-cm flat square cake pan with parchment paper.
- Sift flour and soy bean powder together twice. Melt butter over a pot of simmering water or in a microwave oven.
- Mix castor and brown sugars together. To make me