Preheat oven to 400 degrees. Mix all ingredients in a large bowl. Shape into a loaf and place in a baking pan that has been lightly sprayed with cooking spray. Bake for one hour. Great for meatballs and turkey burgers too.
Steam cauliflower and boil potatoes until soft. Blend with a mixer or puree in a food processor, depending on the consistency you prefer. Add the rest of the ingredients and mix well.