Sour Cream Blueberry Waffles

2 cups All-purpose flour
1 tablespoon Cornmeal
1 teaspoon Baking soda
1/2 teaspoon Salt
2 large Eggs -- separated
2 cups Sour cream
1 cup Small blueberries -- well drained

Combine flour, cornmeal, baking soda, and salt in medium bowl. In small bowl whisk egg yolks and sour cream until well mixed. Stir egg mixture into dry ingredients. Beat egg whites until stiff and fold into mixture. Very carefully fold in 1 cup of blueberries. Bake in preheated waffle iron.