Irish Car Bomb Cupcakes - Cupcake Fanatic

Ingredients

• 1 cup Guinness
• 1 cup unsalted butter, at room temp
• 3/4 cup cocoa powder
• 2 cups all purpose flour
• 1 3/4 cup sugar
• 1 1/2 teaspoons baking soda
• 3/4 teaspoons salt
• 2 eggs, room temp
• 2/3 sour cream
• 8 onces bittersweet dark chocolate
• 2/3 cups heavy cream
• 2 tablespoons butter
• 2 table spoons whiskey
• 2 cups unsalted butter
• 5 1/2 cups powdered sugar
• 6 tablespoons Baileys Liquor