This luscious cake is kissed with juicy Italian plums and citrus peel.
4 Italian prune plums, pitted and cut into wedges
¼ cup packed brown sugar
1 cup all-purpose flour
½ cup polenta or yellow cornmeal
1½ teaspoons baking powder
⅛ teaspoon salt
1 cup butter, softened
¾ cup granulated sugar
4 egg yolks, plus 2 full eggs
1 teaspoon finely grated lemon or orange peel
1 teaspoon vanilla
Crème fraîche for serving (optional)
1. Preheat oven to 350°. Lightly grease and flour bottom and sides of a 9-inch springform pan; line bottom with a 9-inch circle of parchment paper. Arrange plums on parchment in pan. Sprinkle brown sugar over the plums. Set aside.
2. In a small bowl combine flour, cornmeal, baking powder, and salt; set aside.
3. In a large mixing bowl, beat the butter with an electric mixer on medium to high speed for 30 seconds. Add granulated sugar and beat until light. Add egg yolks and eggs, 1 at a time, beating after each addition. Add lemon peel and vanilla; beat until combined. Beat in the flour mixture. Spoon batter over plums in pan and spread evenly.
4. Bake about 50 minutes or until a wooden toothpick inserted near center comes out clean. Cool cake in pan on a wire rack for 20 minutes. Remove sides of pan; cool cake completely. Invert cake onto serving platter; remove bottom of pan and parchment. If desired, serve with crème fraîche.