Sponge cake only has 4 ingredients. Fewer ingredients are the hardest. It is so simple that there is no space to make mistakes If you keep the temperature right. When to spot mixing is also the key. As you make this, every time, you will realize the difference.
155 grams Granulated Sugar
115 grams Sifted Pastry Flour (Hakurikiko)
40 grams Butter ( Warm 40-50C )
1. Pre-heat the oven at 325F. Prepare the 8’ round cake pan with parchment paper. Boil Water.
2. Use water bath, touching only the bottom of the bowl with hot water. Side of the bowl is only...
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