Decadent Cocoa Banana Bars

Follow our step-by-step guide on how to make Decadent Cocoa Banana Bars.

1. Step 1

   Start by preheating your oven to 350°F (175°C). While it warms up, grab a 9x13 inch baking pan and grease it well to ensure your bars come out easily after baking.

2. Step 2

   In a large mixing bowl, beat together the softened butter and white sugar using an electric mixer until the mixture is light and fluffy. This should take about 2-3 minutes. Next, add in the egg and vanilla extract, mixing until everything is well combined.

3. Step 3

   Now, stir in the mashed bananas, making sure they are evenly incorporated into the mixture. Set this banana mixture aside for a moment.

4. Step 4

   In another large bowl, whisk together the all-purpose flour, baking soda, baking powder, and salt. Create a well in the center of the dry ingredients and pour the banana mixture into it. Gently stir until just combined; be careful not to overmix!

5. Step 5

   Remove half of the batter from the bowl and set it aside. To the remaining batter, add the unsweetened cocoa powder and mix well until fully combined. This will give you a rich chocolatey batter.

6. Step 6

   Spread the cocoa batter evenly in the bottom of your prepared baking pan. Then, spoon the remaining banana batter on top. Using a knife, gently swirl the two batters together to create a beautiful marbled effect.

7. Step 7

   Place the pan in the preheated oven and bake for about 25 minutes, or until the edges are golden brown and a toothpick inserted in the center comes out clean. Once baked, allow the bars to cool in the pan before cutting them into 24 delightful pieces.