1. Preheat oven to 160°C/325°F. Lightly grease the muffin moulds. Peel and grate the ripe bananas into a bowl.
2. Sift refined flour with cocoa powder and baking powder into a deep bowl. Break eggs and add to the flour mixture. Add the mashed bananas, golden syrup or honey, brown sugar and mix everything well. Add oil and mix. Finally add milk and mix well.
3. Pour the batter into the muffin moulds, up to three-fourth full. Bake them in the preheated oven for about thirty minutes.
4. Cool, demould and serve.