Krispy Kreme Lotus Biscoff doughnuts come in 3 different flavors, two of which have no filling and one of which has a filling. The filled donut at Krispy Kreme stores is called the "Biscoff Cookie Butter Kreme Filled Doughnut." It has a doughnut filled with cookie butter cream, cookie butter icing, and is topped with a swirl of dark chocolate icing and a dusting of Biscoff crumble.