Yes, although there are some stipulations. If you'd like to use fresh potatoes, select whole russet potatoes, since they have a firm and dry texture. Peel the potatoes and cut into 1/2" cubes. Soak in a bowl of cold water for 30 minutes, before draining and then drying on clean dish towels. Increase the butter in the casserole portion of the recipe by 2 tablespoons.