Purple birthday cake

Surprising fact: a single layered dessert can serve 16 guests and still keep each slice under 430 calories, making a showstopping centerpiece that’s both festive and manageable. This recipe builds three 8-inch vanilla-almond rounds filled with lemon curd and strawberry jam. Bake at 350°F for 23–25 minutes, then cool about 1½ hours. American buttercream whips…