Preheat the oven to 180°C (356°F).
Mix whole wheat flour, baking powder, and salt in a bowl.
Mash the bananas and add them to the bowl.
Add eggs, olive oil, and honey, and mix thoroughly.
Pour the batter into a baking pan.
Bake in the preheated oven for 40~45 minutes.
Transfer to a cooling rack and let cool.