A donut is a type of fried dough confection that is typically sweet and often ring-shaped. It can be made from various types of dough, including yeast or cake batter, and is usually coated with sugar or icing. Donuts come in many flavors and can be filled with ingredients like jam, cream, or custard. Donuts are popular in many cultures and are often enjoyed as a breakfast item or snack. They are commonly found in bakeries and coffee shops, and some people even make them at home. The National Donut Day is celebrated in the United States, highlighting the treat's cultural significance.