INGREDIENTS
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2 cups sugar
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1 3/4 cup all-purpose flour
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3/4 cups dutch process cocoa powder, plus more for dusting
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1/2 teaspoon salt
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1 teaspoon baking powder
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2 teaspoons baking soda
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1 cup sour milk
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1 cup freshly brewed strong black coffee
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1/2 cup vegetable oil
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2 eggs
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1 teaspoon vanilla