Preheat your cooking method of choice: Oven: 350°F (180°C) – 40 min, Air fryer: 330°F (165°C) – 30 min, Microwave: 10 min
Mash the bananas, then mix in the eggs, cocoa powder, baking powder, and salt until smooth.
Pour the batter into a greased baking dish and cook as directed.
