Mulitgrain Buttermilk Waffles

3 eggs, separated
2 cups buttermilk
6 tablespoons melted margarine or butter
1 cup whole wheat flour
1/2 cup cornmeal
1/2 cup rye or barley or other whole grain flour
1 tablespoon baking powder
1 teaspoon sugar
1/2 teaspoon baking soda
1 -2 cups cooked grain (brown rice, millet, quinoa, anything works here)

Beat egg yolks until thick and lemon colored in a large bowl. Add buttermilk and margarine.

Mix flours (any mix of flours work here you need 2 cups total), baking powder, sugar and baking soda in a medium-sized bowl with a whisk. Add flour to egg yolk-buttermilk mixture. Stir until smooth. Stir in grain.

Beat egg whites in a large bowl until stiff. Fold in 3 batches into batter.

Bake on hot waffle iron, following manufacturer's directions.