GUINNESS AND BAILEYS CUPCAKE YIELD: 24 CUPCAKES PREP: 40 MINUTES COOK: 17 MINUTES TOTAL: 1 HOUR Guinness cupcakes with a whiskey ganache center and topped with a Baileys Irish Cream frosting. Ingredients Q uantity For the Cupcakes: Guinness stout 1 cup (240 ml) Unsalted butter, at room temperature 1 cup (227 grams) Dutch-process cocoa powder ¾ cup (64 grams) All-purpose flour 2 cups (283 grams) Granulated sugar 2 cups (397 grams) Baking soda 1½ teaspoons Salt ¾ teaspoons Eggs 2 Sour cream ⅔ cup (151 grams) For th