Wicked Jacks Tavern Coffee Ol Gran's Butter Rum Coffee produces a smooth butter rum cup of coffee from every pot of whole coffee bean coffee that you brew. Grinding your own beans fresh ensures that you enjoy all of the flavor and aroma of quality Wicked Jacks Tavern butter rum flavored coffee. Wicked Jacks Tavern Coffee Ol Gran's Butter Rum Coffee Beans 12oz bag from Coffee for Less allows you to stock up on your favorite coffee in whole coffee bean form so that you can store and enjoy the coffee varieties you love as a part of your beverage service.