INGREDIENTS
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For the Peanut Butter Cupcakes:
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1/2 cup sugar
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1/4 cup brown sugar
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1/4 cup unsalted butter, room temperature
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1/2 cup creamy peanut butter
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1/4 cup sour cream, room temperature
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1 teaspoon vanilla extract
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3 large egg whites, room temperature
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1 1/4 cups all-purpose flour
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2 teaspoons baking powder
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1/4 teaspoon salt
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6 tablespoons milk, room temperature
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2 tablespoons water, room temperature
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1/2 cup crushed butterfingersFor the Chocolate Ganache:
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5 ounces semi sweet chocolate chips
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6 tablespoons heavy whipping creamFor the Peanut Butter Frosting:
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1/2 cup salted butter
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1/2 cup peanut butter
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1/4 cup shortening
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3 1/2 cups powdered sugar
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3-4 tablespoons water or milk
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3/4 cup crushed butterfingers