Key Lime Cupcakes

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From bon appetit...september 2008. from the buttersweet bakery in atlanta.

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Steps

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To make the cupcakes: preheat oven to 350 degrees.

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Line a standard muffin pan with 12 paper liners.

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Whisk both flours in a medium bowl.

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Beat butter in a large bowl until smooth.

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Add sugar.

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Beat to blend.

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Beat in eggs 1 at a time , then next 3 ingredients.

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Beat in flour in 3 additions , alternately with buttermilk in 2 additions.

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Spoon scant 1 / 3 cup batter into each liner.

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Bake cupcakes until tester inserted in center comes out clean , 20-25 minutes.

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Cool 10 minutes.

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Remove from pan.

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Cool.

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To make the frosting: beat all ingredients together in a medium bowl until smooth.

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Spread frosting over cupcakes.

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Ingredients

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all-purpose flour, self-rising flour, unsalted butter, sugar, eggs, fresh lime juice, lime peel, food coloring, buttermilk, cream cheese, powdered sugar, vanilla extract