A doughnut or donut is a type of fried dough food popular in many countries and prepared in various forms as a sweet snack that can be homemade or purchased in bakeries， supermarkets， food stalls.
They are usually sweet， deep-fried from a flour dough， and shaped in rings or flattened spheres that sometimes contain fillings.
Other types of dough such as potato can also be used as well as other batters， and various toppings and flavorings are used for different types.
