Preheat oven to 350 degrees and spray pans with baking spray.
In a medium bowl, whisk together 3cups all purpose, 1 1/2 tablespoons baking powder, and 1/2 teaspoon salt. Set aside.
Add 3/4 cup cherry juice, 1/2 cup buttermilk, 1 tablespoon of vanilla extract, and 1 teaspoon cherry extract (if desired) to a two cup measuring cup.
In a large bowl, beat together softened butter and 1 1/3 cups sugar until light and fluffy.
Add flour mixture and cherry liquid in alternating batches, beginning and ending with the flour.
In a small bowl, beat egg whites for 6-8 minutes until stiff peaks form.
Gently fold in the egg whites.
Pour into prepared pans and bake at 350 degrees for 23-26 minutes until edges begin to pull away from he pan and top spring back when touched lightly.
Allow to cool in pans for ten minutes. Then transfer to a wire rack to cool completely.