Instructions

1. Preheat the oven to 350°F (175°C).
2. Grease a cakef pan and line it with parchment paper.
3. Wet ingredients
   
   
   
   • In a mixing bowl, whisk together the eggs, smashed banana (use a fork and smash the ripe bananas), nut butter, monk fruit sweetener, and vanilla until well combined and smooth.
   
   
4. Dry ingredients
   
   
   
   • In a separate bowl, mix together the cacao powder, protein powder, baking soda, sea salt, flax flour, chia flour, chopped walnuts, and chocolate chips.
   
   
   • Fold the dry ingredients into the wet mixture and stir until just combined.
   
   
5. Get ready to bake!
   
   
   
   • Pour the batter into the prepared cake pan. Spread it evenly with the back of a spoon or spatula. Sprinkle a few chocolate chips on top if desired.
   
   
   • Bake for about 47–50 minutes, or until a toothpick inserted into the center comes out clean.
   
   
   • Store any remaining piece of cake wrapped tightly in plastic wrap.