Combine 1 T. melted butter and 1 T. flour in small bowl. Brush onto inside of Bundt cake pan.
Cream butter, cream cheese and sugar. Add eggs, one at a time, beating well after each addition. Add vanilla.
In a separate bowl combine flour, baking powder and cocoa. Add about half the flour mixture to the butter mixture and beat well. Add remaining flour mixture and beat well for about 2 minutes.
Pour batter into Bundt cake pan. Bake for 1 hour and 15 minutes or until done.
Glaze:
1 cup powdered sugar
3-4 T. buttermilk or whole milk
1/8 tsp. vanilla