1/2 C Butter - softened
1 1/2 C Sugar
2 Large Eggs
1 C Sour Cream
1 t Vanilla
1 t Cinnamon
2 C Flour
1 t Baking Soda
1/4 t Salt
3 Medium Bananas - mashed

Frosting
1 8 cz package Cream Cheese
1/2 C Butter - Softened
2 t Vanilla 
3 1/2 - 4 C Powdered Sugar

Preheat oven to 350.  In a large bowl cream sugar and butter until fluffy.  Add eggs, sour cream, vanilla, cinnamon and bananas.  Beat well.  Start adding remainder of dry ingredients, flour, baking soda and salt.  Beat until well blended.  Spread into a greased jelly roll pan.  Bake for 25 minutes.  Cool.  For the frosting, beat all ingredients until fluffy.

*Short on time?  Use canned Vanilla Frosting.