Gather the ingredients needed firstly.
In a mixing bowl, mash peeled bananas well
Add oil, sugar, vanilla to it and mix well.
In another mixing bowl, take flour, baking powder, baking soda, salt.
Sieve couple of times or mix well.
Add this to wet ingredients
Fold gently to mix.
Add chocolate chips reserving few to top.
Fold in to mix.
Line a baking tray with butter paper or grease it.
Divide and pour into the baking pan.
Pre heat oven at 180 deg C for 10-15 mins.
Bake the cake in middle rack for 20 - 25 mins or until the toothpick inserted comes out clean.
Leave it for 5 minutes outside and take out the cake.