Whole Grain Buttermilk Pancakes

2/3 cup whole wheat flour, unsifted
1/4 cup oat bran (or part flax meal and wheat germ)
1 tablespoon cornmeal
1 tablespoon brown sugar
1 1/2 teaspoons baking powder
1/4 teaspoon baking soda
1/4 teaspoon cinnamon
1/4 teaspoon salt
1 cup buttermilk
2 large eggs, separated
2 tablespoons corn oil
nonstick cooking spray

1. In a medium size bowl, combine the whole wheat flour, oat bran/flax/wheat germ, cornmeal, sugar, baking powder and baking soda, cinnamon and salt. In another bowl, combine the buttermilk, egg yolks and oil.
2. In a large bowl, beat the egg whites until stiff peaks form.
3. Stir in the buttermilk mixture into the flour mixture. Fold in the egg whites.
4. Lightly coat a skillet with cooking spray and set over moderate heat. When the skillet is hot, cook the pancakes 4 at a time, using 1/4 cup batter for each.
5. Cook for about 2 minutes on one side or until bubbles appear on the surface; turn, then cook 2 minutes or until golden brown on each side and cook through.