If you want to, you can add nuts to the cinnamon buns. If you're following our recipe and using honey pecan cream cheese for your frosting, I would go with chopped pecans. You can use walnuts too. Don't mix the chopped nuts into the dough itself though. Rather, after you have spread the cinnamon and sugar mixture, spread a layer of chopped nuts. Roll the dough carefully after that so the nuts don't poke through the dough and make holes.