Measure dry ingredients into mixing bowl. Blend.
Combine egg yolks and milk. Stir into dry ingredients.
Stir in oil.
Carefully fold in egg whites. Do not overmix.
Pour approximately ½ cup batter onto the preheated grid.
Close and bake.
When indicator light goes off the second time, gently lift lid to check for brownness.
Remove waffle when browned. If a second waffle is desired, pour batter immediately and close lid.
If you prefer a darker and crisper waffle, close lid and let cook 1-2 minutes longer.