Preheat oven to 350 degrees F

Grease and flour 2 - 8 inch round pans

Sift the flour, baking powder and salt together and set aside

Using a stand mixer, cream butter and sugar until light and fluffy

Beat in the egg yolks one at a time

Stir in the vanilla extract

On low, alternate mixing in flour and milk just until incorporated (do not over-mix)

Pour batter into prepared pans

Bake at 350 degrees F for 25-30 minutes or until a toothpick inserted comes out clean

Cool before removing from cake pan