Mix 1 cup of the flour, the sugar, salt, cinnamon and yeast in large bowl. Add 1/4 cup butter and the water. Beat with electric mixer on low speed 1 minute, scraping bowl frequently. Add sweet potatoes. Beat on medium speed 1 minute, scraping bowl frequently. Stir in cranberries and enough remaining flour, 1/2 cup at a time, to make dough easy to handle.