If you’ve been filling your slouched, mid-winter body with doughnuts lately, you’re not alone. From where I’m reclining, the last few weeks have been a real fried dough fest — I’m talking mochi doughnuts, Polish paczki and, the latest, potato-filled morning sweets. RELATED: People are lining up for mochi muffins and doughnuts at a new Aurora bakery Berkeley Donuts opened Wednesday inside Hops & Pie on Tennyson Street — and the little guys have been causing quite a stir already, according to Berkeley’s head doughnut baker Audie Mauk. You see, there are real Colorado potatoes inside these doughnuts, but not wedges or pockets of mash, as such.