INGREDIENTS
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1 1/4 cups pastry or cake flour
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1 teaspoon baking soda
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10 1/2 ounces bittersweet chocolate, cut into small chunks
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12 tablespoons (6 ounces) unsalted butter, at room temperature
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1 1/4 cups sugar
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4 cage-free eggs, separated
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333/1000 cup whiskey or brandy, warmed slightly
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1 tablespoon vanilla extract
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Powdered sugar