INGREDIENTS
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2 1/4 cups flour
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2 teaspoons baking powder
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1 teaspoon baking soda
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1/2 teaspoon salt
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3/4 cup creamy peanut butter
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6 tablespoons unsalted butter, softened
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1/2 cup sugar
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1/2 cup packed brown sugar
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3 eggs
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1 cup plus
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2 tablespoons buttermilk
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For the Peanut Butter Cream Cheese Frosting:
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8 ounces cream cheese, softened
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1/2 cup unsalted butter, softened
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1/3 cup plus 2 tablespoons creamy peanut butter, divided Pinch of salt
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2 cups powdered sugar, sifted
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2 teaspoons vanilla