Measure and combine all dry ingredients in a seperate bowl. Mix in a medium mixing container together sugar, then butter until fluff like consistancy.Add eggs mixing after each one is added. add the vanilla, buttermilk and flour mixture. Scrape the bowl then add the mashed bananas.
Turn the mixer on high speed for 50 seconds then scrape sides once again, mix another few seconds on high.
Place the batter in a greased 9 X 13 inch cake pan or clear pan for 50 minutes or till brown and toothpick inserted is clean.
Frost cake with 2 softened packages of cream cheese combined with 1/2 cup buttermilk and 4 cups of powdered sugar.
To make this a special presentation some sliced bananas or dusting of walnuts is gorgous.Enjoy it is addictive