WELLESLEY COLLEGE FUDGE CAKE

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• WHY THIS RECIPE WORKS..COOK'S COUNTRY
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• Wellesley Fudge Cake originated roughly a century ago, when the founder of Wellesley College held that “pies, lies, and doughnuts should never have a place in Wellesley College.” Students honed their fudge-making skills in secret and produced some impressive fudge. When we tested recipes for Wellesley Fudge Cake, we found that decades of chocolate overload had desensitized the modern palate, and far more chocolate flavor was required of our recipe. We replaced some of the bar chocolate with cocoa powder bloomed in hot water to deepen its flavor. Traditional recipes called for “thick sour milk,” an ingredient we weren’t quite prepared to call for. Instead, we used buttermilk to give our cake a hint of tang. For our frosting, we found an unexpected solution in evaporated milk. Our frosting kept falling apart when we added chocolate to the warm sugar mixture—the heat was causing the fat in the chocolate to separate, a problem easily solved by adding butter and evaporated milk first to cool it down a bit.
  
• For the Cake:
• 2 1/2 cups (about 12 1/2 ounces) flour
• 2 teaspoons baking soda
• 1 teaspoon baking powder
• 1/2 teaspoon salt
• 3/4 cup hot water
• 1/2 cup (about 1 1/2 ounces) Dutch-processed cocoa powder (Hershey's Special Dark also works)
• 1 cup (2 sticks) unsalted butter, softened
• 2 cups (about 14 ounces) granulated sugar
• 2 large eggs
• 1 cup (about 8 ounces) buttermilk, at room temperature
• 2 teaspoons vanilla extract
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• For the Frosting:
• 1 1/2 cups (about 11 1/4 ounces) packed light brown sugar
• 1 cup (about 8 ounces) evaporated milk
• 1/2 cup (1 stick) unsalted butter, softened and cut into 1/2 inch pieces
• 1/2 teaspoon salt
• 8 ounces bittersweet chocolate, coarsely chopped
• 1 teaspoon vanilla extract 
• 3 cups (about 12 ounces) confectioners' sugar, sifted

DIRECTIONS:

1

For the Cake: Adjust an oven rack to the middle position and heat the oven to 350°F. Grease and flour two 8-inch square or round baking pans, then line the bottoms with parchment paper. Combine the flour, baking soda, baking powder and salt in a bowl. Set aside.

2

In a small saucepan, melt the chocolate with the hot water. In the bowl of a stand mixer fitted with the paddle attachment, cream the butter and granulated sugar together with an electric mixer on medium-high speed until light and fluffy. Beat in the eggs, one at a time, until incorporated. Mix in one-third of the flour mixture, followed by 1/2 cup of the buttermilk. Repeat with half of the remaining flour mixture and the remaining 1/2 cup buttermilk. Add the remaining flour mixture and vanilla extract and mix until combined. Reduce the mixer speed to low and slowly add the cocoa mixture until incorporated.

3

Give the batter a final stir with a rubber spatula to make sure it is thoroughly combined. Scrape the batter into the prepared pans, smooth the tops, and gently tap the pans on the work surface to settle the batter. Bake the cakes until a toothpick inserted in the center comes out with a few crumbs attached, 25 to 30 minutes, rotating the pans halfway through baking. Let the cakes cool in the pans for 15 minutes. Run a small knife around the edges of the cakes, then flip them out onto a wire rack. Peel off the parchment paper, flip the cakes right side up, and let cool completely before frosting, about 2 hours. (The cakes can be wrapped tightly in plastic wrap and stored at room temperature for up to 2 days.)

4

For the Frosting: Stir together the brown sugar, 1/2 cup of the evaporated milk, 4 tablespoons of the butter, and salt in a large saucepan and cook over medium heat until small bubbles appear around the edge of the pan, 4 to 8 minutes. Reduce the heat to low and simmer, stirring occasionally, until large bubbles form and the mixture has thickened and turned deep golden brown, about 6 minutes. Transfer to a large bowl. Stir in the remaining 1/2 cup evaporated milk and remaining 4 tablespoons butter until the mixture has cooled slightly. Add the chocolate and vanilla and stir until smooth. Whisk in the confectioners’ sugar until incorporated. Let the frosting cool to room temperature, stirring occasionally, about 1 hour.

5

Line the edges of a cake platter with strips of parchment paper to keep the platter clean while you assemble the cake. Place one of the cake layers on the platter. Spread 1 cup of the frosting over the cake, right to the edges. Place the second cake layer on top, press lightly to adhere, and spread the remaining frosting evenly over the top and sides of the cake. Refrigerate the cake until the frosting is set, about 1 hour. Remove the parchment strips from the platter before serving.