All purpose flour
Take two cups all purpose flour in a bowl.
Add 10-15 cashews.
Add 3-4 spoons butter.
Add one spoon baking powder.
Add one cup sugar.
Add water and make a smooth batter.
Then add one sliced banana and mix them well with the batter.
Take a baking pan and brush some butter.
Sprinkle some flour on it.
Add the cake batter.
Pre-heat the oven at 350 degree F.
Cook it for 20-25 minutes.
Then serve it.