preheat oven to 350F
beat together butter and sugar until fluffy
Slowly beat in 1 egg at a time into the sugar and butter
beat in the milk and vanilla
sift the flours and baking soda together in a separate bowl, then slowly beat into the batter mix
Pour the batter into 2 shallow, greased 9" cake pans and bake on the middle rack for 20-26 minutes or until golden, no longer shiny, and a toothpick inserted comes out clean
Once cooked, allow to rest in the pan, then remove to wire rack to cool to room temperature