Grease a sheet pan or baking pan with non stick cooking spray.
Set the pan aside and preheat the oven to 425 degrees.
In a large bowl combine the melted butter, light brown sugar, flour, and baking powder.
Add the buttermilk, vanilla extract, and egg mixing until well combined.
Next, take one of the bananas and mash it up then, add the mashed banana to the mixture as well.
Stir batter until it’s smooth and ingredients are fully mixed.
Add the chocolate Chips, folding them in gently.
Pour the batter into the greased pan.
Slice up the rest of your bananas into pieces that are about an inch thick.
Finally, add the slices of banana to the top as well as additional chocolate chips if you wish.
Place it in the oven and set the timer for about 12 minutes, it may need to go an additional 3-4 minutes. It’s ready when it is a nice golden brown, you can insert a toothpick in the middle to see if it comes out clean as well.