A coffee and bakery chain, famous for its coffee, doughnuts, and breakfast items like bagels and sandwiches. Doughnuts are made by mixing flour, yeast, sugar, and liquids into a dough, which is then proofed (allowed to rise), cut into shapes, proofed again, and deep-fried in hot oil until golden brown. After frying, they're often coated with a glaze, icing, sugar, or other toppings, or filled with cream or jelly.