Featherlight Yogurt Pancakes

2 cups flour

2 teaspoons baking powder

1 teaspoon baking soda

1 Tablespoon sugar

1 teaspoon salt

1 cup plain yogurt

1 1/4 cups milk

2 eggs -- slightly beaten

1/4 cup melted butter or margarine

Sift together flour, baking powder, soda, sugar, and salt. Combine yogurt, milk, and eggs. Stir in butter. Pour liquids into flour mixture, mixing just until dampened. Pour 1/4 cup batter on hot greased griddle for each pancake. Makes 16 pancakes, 4 1/2 inches.