Preheat oven to 350f (160c).
Mash the bananas with a fork until soft and creamy.
Add vanilla, baking soda, egg and butter. Mix well.
Mix in the the sugar.
Add the flour while mixing gently. Mix until there is no dry flour left .
add toppings and mix.
Pour into oiled loaf pan. Sprinkle cinnamon on top.
Bake for 1 hour, until toothpick comes out dry.