Arnolds, Tullikatu 6 (Tullintori), ☎ +358 3 2234 850, [147]. M-F 09-20, Sat 10-17. Tasty doughnuts baked on location. Arnolds is a chain restaurant with locations in all Finnish cities, so it might not be an unforgettable experience, but the donuts are good... Regular coffee from €1.60 to €2.20, doughnuts from €1.70 to €2.30.