Meringue does double-duty in this meringue-topped lemon sponge cake: Beaten egg whites lighten the lemon and butter cake batter, which is baked until tender and just set. A generous amount of Italian ...

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 ...