Banana and coconut chiffon cake

I had few very ripe bananas sitting in the fruit bowl. The only way I can think of to use them up is cake. I want something light and less calorie rich. I had banana chiffon before, it's a bit bland IMO. Then I thought why not add coconut with banana for a change. Can't use coconut milk on top of the pureed banana or the cake will be too wet. Then I thought why not add coconut cream powder then I