3 double doughnuts Recipes

flour, sugar, baking powder, salt, milk, eggs, oreo cookies , preferably double stuffed, oil, for frying, powdered sugar , for dusting

all-purpose flour, double-acting baking powder, salt, ground cinnamon, freshly grated nutmeg, eggs, unsalted butter, melted, sugar, mashed cooked russet (baking) potatoes (about 1 lb), milk, freshly grated orange zest if desired, vanilla, vegetable oil for frying, sugar, ground cinnamon , or to taste