Preheat oven to 350 degrees.
Sift flour, baking powder and salt together and set aside.
Beat butter and sugar together until fluffy. Add vanilla. Add eggs one at a time, beating well after each addition. Add cocoa. Add milk alternately with sifted dry ingredients in 3 additions, beating well after each addition. Pour into 10 inch bundt pan that has been sprayed with non-stick spray.