1 1/4 cups buttermilk, at room temperature |
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3 tablespoons butter, melted |
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2 tablespoons dark brown sugar |
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1 tablespoon granulated sugar |
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1 teaspoon pure vanilla extract |
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1 1/2 cups all-purpose flour |
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1/4 cup best-quality unsweetened cocoa powder |
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2 teaspoons baking powder |
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1 teaspoon instant espresso powder |
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1/4 teaspoon fine sea salt |
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3 ounces semisweet or bittersweet chocolate, finely chopped |
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Clarified butter, for cooking |
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Confectioners' sugar, for garnish |
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1/2 cup heavy cream, warm |
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2 tablespoons unsalted butter, at room temperature |
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