Regardless of how you spell this sweet, deep-fried treat—doughnut or donut—its origins remain a mystery. Some claim that Dutch settlers brought it to North America. Others maintain that a Danish sea captain impaled a fried cake on a wheel spoke to free his hands during a storm and, thus, invented the doughnut’s hole. The two most common types are ring-shaped doughnuts and filled doughnuts, flattened spheres injected with a sweet filling. In what countries can you get a meat-filled doughnut? Discuss