Sieve flour,baking powder, bicarbonate of soda into a bowl and set aside

In another bowl, put groundnut oil and sugar and stir for 3-5mins and break in egg, stir and set aside

In another bowl, peel and match banana with spatula

Then pour banana mixture, sugar mixture into flour and stir till light and creamy

Then pour into your greezed pan and bake for 15-20mins on a medium heat.

Your banana muffin is ready.