Ingredients

Method

Preheat oven to 350°. Coat pan with nonstick spray. Line bottom with parchment paper; spray paper. Whisk flour and next 5 ingredients in a medium bowl. Place butter in a large bowl. Pour 1/2 cup boiling water over; whisk until melted. Whisk in sugar and next 3 ingredients. Add dry ingredients; whisk to blend. Transfer to prepared pan.

Bake until a tester inserted into center of cake comes out clean, about 25 minutes. Let cool in pan for 10 minutes. Invert onto a wire rack; let cool. Remove parchment.

Beat cream and sugar in a medium bowl until firm peaks form. Fold in curd, leaving swirls. Spread over cake. Garnish with zest.