Step 1

Preheat oven to 350F (175C). Line an 8-inch (20 cm) square baking dish with parchment paper, leaving an overhang on opposite sides.

Step 2

In a medium-large bowl, combine the bananas, nut butter, cocoa powder, coconut sugar and baking soda until completley blended.

Step 3

Spread the batter into the prepared pan, smoothing the top. If desired, sprinkle with chocolate chips.

Step 4

Bake in the preheated oven for 25 to 30 minutes until the surface appears set and dry.

Step 5

Transfer pan to cooling rack and cool completely. Use the parchment paper to lift and remove brownies to a cutting board. Cut into 9 squares.