INGREDIENTS
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2/3 cup unsweetened cocoa powder plus more for dusting pans
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12 tablespoons (1 1/2 sticks) unsalted butter, softened
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1 1/2 cups sugar
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3 large eggs, at room temperature, separated
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1/2 teaspoon baking soda
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1 cup milk
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2 cups all-purpose flour
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2 teaspoons baking powder
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1/4 teaspoon salt
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1 teaspoon vanilla extract
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3 cups sugar
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1/2 cup unsweetened cocoa powder
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1/2 teaspoon salt
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8 tablespoons (1 stick) unsalted butter
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1 cup milk
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1 teaspoon vanilla extract
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Frosting:
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3 cups sugar
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1/2 cup unsweetened cocoa powder
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1/2 teaspoon salt
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8 tablespoons (1 stick) unsalted butter $
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1 cup milk $
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1 teaspoon vanilla extract