Frosting:
1. Pre-heat oven to 350 degrees. Combine ingredients 1 through 5 in large mixing bowl.
2. Fold in bananas.
3. Bake for 35 minutes or until toothpick inserted into center comes out clean. Cool completely.
4. Combine cream cheese and butter in medium mixing bowl. Add ingredients 3 and 4. Mix. Add powdered sugar slowly mixing until fully combined.
5. Cover top of cake with frosting. Sprinkle with cinnamon, if desired.