"The robust taste of Irish stout beer enhances the chocolate flavor of this layer cake. An Irish cream liqueur-flavored frosting and drizzle of bittersweet chocolate over all complete this perfect St. Patrick's Day dessert...."
INGREDIENTS
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1 cup Irish stout beer (such as Guinness®)
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1 cup butter, cut into pieces
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3/4 cup unsweetened cocoa powder
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2 eggs
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2/3 cup sour cream
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2 cups all-purpose flour
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2 cups white sugar
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1 1/2 teaspoons baking soda
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3/4 teaspoon salt
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3 cups confectioners' sugar, or as needed
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1/2 cup butter at room temperature
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3 tablespoons Irish cream liqueur (such as Baileys®), or as needed
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8 ounces bittersweet chocolate, coarsely chopped
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2/3 cup heavy cream
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2 tablespoons butter at room temperature