INGREDIENTS
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1/2 cup unsalted butter (1 stick)
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1/2 cup creamy peanut butter
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1/2 cup white sugar
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1/2 cup packed brown sugar
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1 egg
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1/2 teaspoon vanilla extract
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1 1/4 cups all-purpose flour
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1/2 teaspoon baking powder
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1/4 teaspoon salt
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3/4 teaspoons baking soda
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1 stick butter, softened
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2-3 cups powdered sugar
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5 tablespoons unsweetened cocoa powder
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1/4 cup milk
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1 teaspoon vanilla extract