Preheat oven at 180 degree centigrade, melt butter in 9” loaf pan, keep aside.
Add whole wheat flour and butter into a pan. To this add baking powder, baking soda, cinnamon powder, and salt. Combine all the ingredients together using a whisk.
In a bowl, add melted butter, sugar, mashed banana, vanilla essence, milk and mix well.
Combine both prepare ingredients together and mix well.
Pour it into the buttered pan.
Bake it at 180c until bread becomes golden brown.