INGREDIENTS
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For the Guinness Chocolate Cupcakes:
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¾ cup Dutch-processed cocoa powder
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6 ounces bittersweet chocolate, chopped fine
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1 teaspoon espresso powder
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¾ cup Guinness beer
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1 cup sour cream at room temperature
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1 ¾ cup all-purpose flour
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1 teaspoon Kosher salt
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1 teaspoon baking soda
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12 tablespoons unsalted butter, at room temperature
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2 cup packed light brown sugar
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1 tablespoon vanilla extract
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5 large eggs at room temperature
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For the Bailey’s Irish Cream Buttercream:
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1 cup butter, room temperature
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3 cups powdered sugar
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6 tablespoons Bailey’s Irish Cream
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Salted Caramel Filling