Make up the sourdough donut mix according to manufacturer instructions through benching the dough. Roll to half inch thick. Mist dough with water, sprinkle heavily with cinnamon, and mist lightly again. Roll up dough and cut into 1 inch thick discs, place the discs swirl side up on screens and proof until the dough has doubled in size. Fry, glaze while still warm, and let cool completely.