Sourdough Belgian Waffles

1 3/4 cups flour; sifted
2 teaspoons baking powder
1/2 teaspoon salt
2 tablespoons sugar
3  eggs; separated
1 cup sourdough starter
3/4 cup milk
6 tablespoons butter; melted

Sift flour with baking powder, salt and sugar. Beat egg yolks, add butter, starter and milk. Stir into flour mixture. Beat egg whites till stiff peaks form and then fold into batter. Spoon into preheated Belgian waffle iron, either well buttered or teflon. Bake about 5 minutes or until beautifully golden brown!