Sift together the flour, sugar, baking powder and salt in a large mixing bowl.
In a small mixing bowl combine well the oil, egg whites and milk mixing well.
Pour the liquid into the dry ingredients.
Mix with a wooden spoon just until moistened.
Gently fold in the cinnamon and raisins.
Preheat oven to 400 degrees.
Spray a muffin tin with a non stick cooking spray.
Pour the batter into the prepared muffin cups filling them 3/4 full.
Bake 20 minutes or until a toothpick comes out clean when inserted in the center of a muffin.
In a squirt bottle combine powdered sugar and milk. Shake until smooth.
Allow the glaze to thicken slightly.
Drizzle the glaze over the tops of the cooled muffins.