Baileys Pumpkin Pie Courtesy of Baileys Irish Cream. Ingredients2 oz Baileys Original Irish Cream4 oz espresso or strongly-brewed coffee1 tsp pumpkin pie spiceCinnamon stickWhipped creamInstructionsCombine Baileys Original Irish Cream and pumpkin pie spice in a mug. Pour in coffee and stir. Top with a dollop of lightly-sweetened whipped cream (optional) and a cinnamon stick.