Zucchini-Hazelnut Cake with Lemon Curd Whip

Every year, I look forward to making my own birthday cake. A few years ago there was an orange blossom and cardamom scented angel food cake with a drippy dark chocolate shellac. Before that, a pink, double-layered sugar-butter bomb fromThe Sweeter Side of Amy’s Bread.Last year I tried out zucchini and hazelnuts in a different cake format, as a two-layer thingfrosted with Hervé This’s Chocolate Mousse. That was fine, but—and maybe this is something that happens as one gets older—it was a bit m...