Preheat oven to 350F. Line a loaf pan with parchment paper.
In a large bowl, combine bananas, eggs, butter, maple syrup and vanilla. Set aside.
In a small bowl, whisk together almond flour, cocoa powder, baking soda, baking powder, spices and salt. Stir dry ingredients into wet until combined.
Stir in chopped chocolate. Pour batter into loaf pan and evenly spread out.
Bake at 350F for 40-50 minutes, until toothpick inserted in the centre of loaf comes out clean.