Preheat oven to 175 °C (350 °F)
Cream the butter and sugar together until fluffy.
Beat in the vanilla and eggs, one at a time, ensuring the batter is well mixed after each egg.
Gradually sift in the dry ingredients, alternating with small additions of the milk.
Transfer to a greased and floured baking pan.
Bake at 175 °C (350 °F), until a skewer inserted shows no moist crumbs.