It looks like an old school hole-in-the-wall, but Rainbow Donuts also makes festive glazes like matcha and nutella; fries up colorful cake doughnuts like purple ube and red velvet; and even decorates doughnuts like unicorns.

Conveniently located in the heart of student central, King Pin is open late, serving hot and fresh doughnuts to sugar-seekers until 2 a.m. It offers up yeasty doughnuts filled with icing, cake doughnuts, sprinkle-covered, chocolate dipped, bearclaws, and more.

This little gem is for OG doughnut lovers only. Snag a classic glazed, old fashioned, or twist and grab a seat at the tiny diner counter. They've also got a large selection of breakfast sandwiches with choice of biscuits, croissants, and English muffins, all on the majorly cheap side.

Golden Gate Donuts has old school doughnuts galore, from classic glazed to apple fritters. They'll set you back anywhere from $0.85-$1.65, depending on how fancy they are. A carton of milk, a cup of joe and a half dozen doughnuts is your best bet.

Colonial Donuts has been open for years and years, shuffling generations of doughnut-lovers through its swinging doors. It is also open 24 hours, serving up doughnuts with sprinkles, icing, and glazes through those crucial early morning hours. Fresh, cheap doughnuts with a twist of nostalgia.

Sweet Belly is best known for its soft serve dressed up with rainbow sprinkles, crunchy cereal, and a doughnut, but the dessert shop also offers its mini doughnuts by the box. Made-to-order, these simple sugar doughnuts benefit from always arriving fresh and hot. Customize them with flavored sugars like matcha or strawberry, drizzle some caramel on top, and choose a dipping sauce, like vanilla cream or chocolate.

East Oakland’s all-vegan doughnut shop specializes in the classics, including cake, raised, and old fashioned doughnuts alongside twists, crullers, and maple bars. While a lot of vegan doughnuts can be dense, these manage to be impressively light and fluffy.

The island city’s best doughnuts are found in a low-key diner. Homeskillet makes all sorts of classics, but the matcha green tea doughnuts and others topped with vividly colored, fruity glazes — including blueberry, orange, strawberry, and lemon — are particularly good.