The ingredients:

• 2 cups flour
• 2 tsp baking powder
• 1 tsp salt
• 1/2 tsp baking soda
• 3 Tbs sugar
• 2 eggs, separated
• 2 cups buttermilk (or more)
• 1/4 cup melted butter

Sift flour, measure and re-sift with other dry ingredients. Combine beaten yolks with buttermilk and add to dry ingredients. Add melted butter. Beat egg whites until stiff and fold into mixture. Bake on hot waffle iron or make into pancakes.