Preheat oven to 175 degrees.

Mix banana, sugar, butter and egg until well combined. Add vanilla and mix.

Add all the dry ingredients flour, baking powder, baking soda, cinnamon powder and salt. Mix until well combined. Do not over mix so that the bread is not too dense.

Add the dried cranberries. Mix until thoroughly incorporated.

Grease the pan and pour in the batter. Top with walnuts and baked for 35-45 minutes until top is golden brown.