You don't need a kitchen scale for this cake. Measured with a yogurt cup, the ingredients have the perfect proportions.

You don't need a kitchen scale for this cake. Measured with a yogurt cup, the ingredients have the perfect proportions. Did ...

Beat egg yolks and sugar together until pale and well incorporated. Slowly add oil, then yogurt and vanilla extract. Sift in flour with baking soda and salt. Whip egg whites to soft peak and fold ...