Tłusty Czwartek is Warsaw at its most deliciously unbuttoned — queues out the door, powdered sugar on every coat sleeve, and the annual debate over who fries the finest pączki. From century-old institutions and neighborhood stalwarts to vegan innovators and doughnut disruptors, this roundup tracks down the sweetest stops in town, whether you crave tradition, nostalgia, or something boldly new.