Waffles
["2 c. flour", "1 tsp. salt", "3/4 tsp. baking soda", "1 tsp. baking powder", "3 Tbsp. sugar", "2 egg yolks", "1 1/2 c. sour milk or buttermilk", "4 Tbsp. melted butter", "2 egg whites, stiffly beaten"]
["Mix everything together and beat.", "Last fold stiffly beaten egg whites."]
["flour", "salt", "baking soda", "baking powder", "sugar", "egg yolks", "sour milk", "butter", "egg whites"]