INGREDIENTS
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1 cup granulated sugar
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¾ cup plus 2 tablespoons all-purpose flour
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¼ cup plus 2 tablespoons unsweetened cocoa powder, sifted
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¾ teaspoon baking powder
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¾ teaspoon baking soda
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½ teaspoon salt
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1 egg, room temperature
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½ cup sour cream, room temperature
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¼ cup vegetable oil
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1 tablespoon vanilla extract
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½ cup boiling water
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Ingredients (for the frosting):
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6 tablespoons unsalted butter, melted
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½ cup unsweetened cocoa powder
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¼ cup milk
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2 ¼ cups powdered sugar
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¾ teaspoons vanilla extract
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1 teaspoon golden syrup / light corn syrup