2 c. all-purpose flour
3 tsp. baking powder
2 tbsp. sugar
1 tsp. salt
1 3/4 c. milk
2 egg yolks
1/2 stick melted butter

Combine flour, baking powder, sugar, salt, and milk in bowl. Mix well with mixer. Separate eggs and add yolks to mixture. Melt butter and add to mixture. In a separate bowl, beat egg whites until stiff. Fold into first mixture.