"“Disappointing cakes have often been sitting out too long,” says Tom Douglas. “They should last just long enough to have the last pieces the next morning with coffee—who doesn’t love cake with coffee?”..."
INGREDIENTS
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2 cups plus 2 tablespoons all-purpose flour
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1/4 cup plus 2 tablespoons unsweetened cocoa powder
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Unsalted butter, for greasing the pans
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1 cup plus 1 tablespoon granulated sugar
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1/2 teaspoon baking powder
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1/2 teaspoon baking soda
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1/2 teaspoon salt
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2 large eggs, at room temperature
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1/3 cup dark brown sugar
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1 cup canola oil
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2 1/2 ounces bittersweet chocolate, melted
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1 cup buttermilk
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2 teaspoons pure vanilla extract
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Mousse filling and Buttercream frosting (see note)