INGREDIENTS
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1 3/4 cups all-purpose flour
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2 cups granulated sugar
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3/4 cup unsweetened cocoa powder
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2 teaspoons baking soda
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1 teaspoon baking powder
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1 teaspoon salt
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3/4 cup sour cream
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1/2 cup vegetable oil
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3 large eggs, at room temperature
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1 cup your favorite beer
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3 cups confectioners sugar
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2-4 tablespoons beer