Bon Appétit has given a ringing endorsement of The Holy Donut.
The potato doughnut alone is worth the trip to Portland, just make sure you hit the shop early, as doughnuts can sell out well before lunchtime. What once started as a small kitchen operation for Kellis—selling a dozen potato doughnuts a day to the local coffee shop—has turned into a veritable pastry business, selling a million doughnuts a year between its two locations in the city.