Preheat oven to 350 F. Meanwhile grease a loaf pan with some butter or Oil spray.

Take bananas and sugar in a large mixing bowl. Mash them with spatula or you can use hand blender. Mash them until sugar completely dissolves and incorporates.

Now, add oil, Vanilla extract to the banana mixture. And mix them well.

In a medium bowl, measure and sieve the flour with baking soda, baking powder, cinnamon powder, nutmeg powder, salt.

Now, transfer the dry ingredients to the banana mixtures.

Using folding-cut-folding method, mix the whole mixture.Do not over mix.

After everything mixed evenly, incorporate walnuts and chocolate chips, and again mix everything.

Transfer this into the greased loaf pan.

Bake at 350 F for 30-40 min. or until toothpick inserted in the bread comes out clean.

Transfer the banana bread on cooling rack and let them cool for 10 min.

Slice them and serve warm with hot cup of coffee or tea.

This can be stored in the refrigerator in an airtight container for longer period of time.