180°C for 10-15 minutes
Mash the banana and mix with rolled oats, milk, eggs, and baking powder.
Add espresso or strong coffee and mix evenly.
Pour the batter into an oven-safe dish and top with mascarpone cheese.
Bake in a preheated oven at 180°C for 20-25 minutes.
Remove from the oven and dust with cocoa powder to finish.