Step 1- Mix maida, choco mass, baking powder, and baking soda and keep it aside.
Step 2- Combine the melted butter, condensed milk, sugar, mashed banana, and vanilla essence in a bowl and mix it well add this mixture to mixed flour and put some fresh cream.
Step 3- Take 175mm cake pan and spread some melted butter on it, dust it with some maida shake the pan and remove the excess flour.
Step 4- Pour the ready batter and spread it evenly on the pan.
Step 5- Bake it at a 180 deg celsius for about 40 to 45 minutes.
Step 6- Remove from the oven and demould it and serve warm.