"Peanut butter and jelly cupcakes - Jam-filled peanut butter cupcakes with whipped vanilla bean frosting - make them ASAP!! | smells-like-home.com..."
INGREDIENTS
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1 ¾ cups all-purpose flour
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¾ tsp baking powder
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¼ tsp baking soda
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½ tsp table salt
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12 tbsp (1 ½ sticks) unsalted butter, at room temperature
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1 ⅓ cups sugar
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⅔ cup creamy peanut butter
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3 large eggs
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½ cup sour cream
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1 tsp vanilla extract
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¼ cup buttermilk
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½ cup strawberry jam (or whatever your preference is)
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3 sticks + 2 tablespoons unsalted butter, softened and cut into cubes
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3 cups sifted confectioners' sugar
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3 tablespoons milk
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1 vanilla bean, split in half lengthwise and bean scraped
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1 tsp pure vanilla extract
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Pinch of table salt