Instructions
- Preheat oven to 350°F.
- Grease and flour a 9″ round cake pan.
- Cream butter and sugars together until fluffy. Stir in the mashed bananas and eggs.
- Combine flour, cocoa powder, baking soda, and baking powder in a large bowl.
- Add the flour mixture and chocolate chips to the banana mixture. Stir until just combined.
- Bake for 25-30 minutes, or until a toothpick comes out clean.