Stir together dry ingredients.

Beat butter, sugar & vanilla, then add eggs one at a time. 

In a separate bowl, mash banana, then add in sour cream and milk. 

Add dry ingredients and banana mixture alternately to the butter mixture. 

Remove one cup of batter and mix with hot cocoa powder. 

Spoon light batter into greased Bundt pan, the top with cocoa batter. 

Enjoy plain or serve with strawberry sauce.

Serve cake with strawberry sauce and sweetened whipped cream. 

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