INGREDIENTS
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2 cups sugar
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1 3/4 cups all-purpose flour
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3/4 cup unsweetened cocoa powder
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2 tablespoons King Arthur Flour Black Cocoa, optional
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2 teaspoons baking soda
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1 teaspoon baking powder
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1 teaspoon kosher salt
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2 eggs
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1 cup buttermilk
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1 cup strong black coffee (I used Green Mountain Coffee's Vermont Country Blend)
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1/2 cup vegetable oil
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2 teaspoons vanilla extract