1. Heat oven to 400 degrees F. Coat 12 standard-size muffin-pan cups with nonstick cooking spray.
2. Mix flour, sugar, baking powder, baking soda, cinnamon and salt in large bowl. Make well in center.
3. Stir together buttermilk, applesauce, egg whites and canola oil in a small bowl. Pour buttermilk mixture into well of dry ingredients. Stir just until evenly moistened. Do not overmix. Gently fold in apple and raisins. Divide batter evenly among 12 muffin cups.
4. Bake in 400 degree F oven for 25 minutes or until wooden pick inserted in centers of muffins comes out clean. Turn muffins out onto wire rack to cool.