Dixie Waffles

2 1/4 cups sifted flour
2 1/4 tsp baking powder
1/2 tsp salt
1 T. sugar
1 1/2 cups milk
2 beaten egg yolks
2 T melted butter
2 beaten egg whites
Sift dry ingredients together. Combine milk, eggs yolks and butter. Add to flour. Fold in egg whites. Bake.