Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.
In a large mixing bowl, combine the mashed bananas, honey or maple syrup, applesauce, and vanilla extract. Mix until well blended and smooth.
In a separate bowl, mix together the rolled oats, almond flour, baking powder, cinnamon, and salt.
Gradually add the dry ingredients to the wet mixture, stirring gently until just combined. Fold in the dark chocolate chips and chopped nuts if using.
Using a tablespoon, scoop out spoonfuls of the cookie dough and drop them onto the prepared baking sheet, spacing each one about 1 inch apart. Press down lightly on each mound of dough.
Bake for 12-15 minutes or until the edges turn golden brown.
Remove from the oven and let cool on the baking sheet for about 5 minutes before transferring to a wire rack to cool completely.
Notes
For an appealing display, arrange the cooled cookies on a vibrant plate and dust with powdered sugar or drizzle melted dark chocolate on top.