This dreamy cake is a masterpiece.

With this latest creation, we opted for a thick and rich filling.

container mascarpone cheese

12cuppowdered sugar

34cupwhipping cream

1(6-oz.)

Southern Living Coconut Chiffon Cake on a platter with a serving cut out beside it

Credit:Caitlin Bensel; Food Stylist: Torie Cox

package frozen grated coconut, thawed

White Chocolate Buttercream Frosting

1 12(4-oz.)

Stir together sifted cake flour and next 3 ingredients in bowl of an electric stand mixer.

Beat at medium speed 1 to 2 minutes or until smooth.

Southern Living Coconut Chiffon Cake on a platter ready to serve

Credit:Caitlin Bensel; Food Stylist: Torie Cox

Beat egg whites and cream of tartar at medium-high speed until stiff peaks form.

Fold one-third of egg whites into batter; fold remaining whites into batter.

Bake at 350F for 12 to 14 minutes or until a wooden pick inserted in center comes out clean.

(Do not overbake–cakes will be a very pale golden color.)

Prepare Filling:Stir together mascarpone cheese, 12 cup powdered sugar, and 1 Tbsp.

vanilla in a large bowl just until blended.

Fold whipped cream into mascarpone mixture until well blended.

Add thawed grated coconut, and stir just until blended.

Spread mixture between cake layers (about 1 13 cups per layer).

Cover with plastic wrap, and chill 12 hours.

Prepare White Chocolate Buttercream Frosting:Microwave chopped white chocolate and 2 Tbsp.

Cool completely (about 20 minutes).

Beat 1 cup softened butter and 2 cups powdered sugar at low speed with an electric mixer until blended.

Add white chocolate mixture, 2 tsp.

Spread frosting on top and sides of cake.

Cover top and sides of cake with 3 cups flaked coconut, gently pressing coconut into frosting.