Separate egg yolks from whites.

Add sugar to egg whites, whip until stiff.

In large bowl, combine yolks, buttermilk, and remaining dry ingredients.

Add melted butter to buttermilk mixture.

Fold egg white mixture into buttermilk mixture.

Using 1/2 cup of mixture per waffle, bake in waffle iron until golden (3-5 minutes).

Sprinkle powdered sugar on top if desired.

Leftovers freeze and toast up wonderfully!