Defining sponge cake can get a little — forgive us — spongy. Never up for debate is the centrality of egg, sugar, and flour. It's also, as made clear by the name, meant to be light and airy. Sometimes ...

This vanilla sponge cake is a classic genoise - light, springy, and perfect for layering. I’ll show you how to whip the eggs to the right stage so the cake rises without baking powder doing the heavy ...