Preheat oven to 350ºF. Grease an 8 1/2 x 4 1/2 x 2 1/2-inch loaf pan. Combine apples, sugar and oil in a medium mixing bowl. Add egg, mixing well. Combine dry ingredients in a separate mixing bowl. Add to apple mixture, mixing just until the dry ingredients are moist. Stir in cranberries and walnuts. Spread batter evenly in loaf pan. Bake for 1 hour or until a toothpick inserted into the center of the bread comes out clean. Makes 1 loaf.