Bonnie Butter Cake

2/3 cup soft butter                                            
3 cups sifted cake flour
1-3/4 cup sugar                                                
2-1/2 tsp baking powder
2 eggs                                                               
1 tsp salt
1-1/2 tsp vanilla                                               
1-1/4 cup milk

Grease and flour 3-8” or 2-9” pans.  Beat butter, sugar, eggs and vanilla 5 minutes on high speed.  Sift flour, powder, and salt.  Add in flour alternately with milk.  Start and end with dry ingredients.  Blend on low speed just until smooth.  Bake at 350º 30 to 35 minutes.