Combine first 3 ingredients in a large bowl, and make a well in center of dry ingredients.
Stir together egg yolks, buttermilk, vegetable oil, and corn; add to dry ingredients, stirring just until dry ingredients are moistened.
Beat egg whites at high speed with an electric mixer until stiff peaks form; fold into batter.
Cook in a preheated, oiled waffle iron until golden. Serve with Cilantro-Lime Butter, honey, or maple syrup.