Slowly combine butter and sugar.
Beat eggs in a separate bowl then add to butter/sugar mixture.
Alternatively add flour and milk into which vanilla has been added.
Pour batter into prepared tube/bundt pan or 2 round 9" cake pans.
Bake tube/bundt pan for 35 minutes or until toothpick inserted in middle comes out clean. Bake 9" cake pans for 25-30 minutes.