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Recipes --> Desserts --> Chocolate Mayonnaise Cake

Chocolate Mayonnaise Cake

This week's recipe comes to us from Wine Guy Tom Landshof who said that this has a moist deep chocolate flavor that is hard to describe. It is just plain good. Not an easy recipe but worth the effort.

Mayonnaise replaces the oil that's typically used in chocolate cakes. It gives this cake—which would make the ideal birthday cake—an incredibly moist and tender texture.

Cake:

2 ounces bittersweet chocolate (do not exceed 61% cacao), chopped
2/3 cup unsweetened cocoa powder 
1 3/4 cups boiling water 
2 3/4 cups all-purpose flour 
1 1/4 teaspoons baking soda 
1/4 teaspoon baking powder 
1 cup sugar 
1 cup (packed) dark brown sugar 
1 1/3 cups mayonnaise (do not use reduced-fat or fat-free) 
2 large eggs 
1 teaspoon vanilla extract 

Frosting:

10 ounces bittersweet chocolate (do not exceed 61% cacao), chopped 
1 1/2  cups (3 sticks) unsalted butter, room temperature 
3 cups powdered sugar 
1 tablespoon vanilla extract 

Special Equipment:

Three 9-inch-diameter cake pans with 1½ -inch-high sides

Preparation for Cake:

Preheat oven to 350°F. Butter and flour three 9-inch-diameter cake pans with 1½ -inch-high sides. Combine chopped chocolate and cocoa powder in medium metal bowl. Add 1 3/4 cups boiling water and whisk until chocolate is melted and mixture is smooth.

Sift flour, baking soda, and baking powder into another medium bowl. Using electric mixer beat both sugars and mayonnaise in large bowl until well blended, 2 to 3 minutes. Add eggs 1 at a time, beating until well blended after each addition. Beat in vanilla. 

Add flour mixture in 4 additions alternately with chocolate mixture in 3 additions, beating until blended after each addition and occasionally scraping down sides of bowl. Divide batter among prepared cake pans (about  2 & 1/3  cups for each). 

Bake cakes until tester inserted into center comes out clean, check at 27 minutes. Cool cakes in pans on racks 20 minutes. Run small knife around sides of cakes to loosen. Carefully invert cakes onto racks and let cool completely. 

Preparation for Frosting:

Place chopped chocolate in medium metal bowl; set bowl over saucepan of simmering water, or use double boiler, and stir until chocolate is melted and smooth. Carefully remove bowl from over water; let melted chocolate cool until lukewarm, stirring occasionally. 

Using electric mixer, beat butter in large bowl until smooth and creamy. Sift powdered sugar over butter and beat until well blended, about 2 minutes. Beat in vanilla. Add melted chocolate and beat until well blended and smooth, occasionally scraping down sides of bowl. 

Cake Layering

Place 1 cake layer on platter. Spread  3/4 cup frosting over top of cake layer to edges. Top with second cake layer; spread 3/4  cup frosting over. Top with third cake layer. Spread remaining frosting decoratively over top and sides of cake. 

Cover with cake dome and let stand at room temperature. Cut cake into wedges and serve. 

Matt Lewis and Renato Poliafito are the owners of Baked bake shops in Brooklyn and Charleston, South Carolina. They are also the authors of Baked: New Frontiers in Baking.