Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans, and line the bottoms with parchment paper
In a medium bowl, whisk together the flour, baking powder, and salt. Set aside
In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy.
Beat in the egg whites, one at a time, followed by the vanilla extract and almond extract
Divide the batter evenly between the prepared cake pans and smooth the tops with a spatula
Bake in the preheated oven for 25-30 minutes, or until a toothpick inserted into the center of the cakes
Bake in the preheated oven for 18-20 minutes, or until a toothpick inserted into the center of a cake comes out clean