01 - Preheat oven to 350°F. Line a baking sheet with parchment paper.
02 - In a large mixing bowl, mash the bananas until smooth. Stir in melted coconut oil and vanilla extract until fully incorporated.
03 - Add oats, cinnamon, salt, and baking powder to the wet mixture. Stir until well combined and evenly distributed.
04 - Fold in chocolate chips and nuts, if using, until evenly dispersed throughout the dough.
05 - Drop heaping tablespoons of dough onto the prepared baking sheet, spacing them slightly apart. Gently flatten and shape with the back of a spoon.
06 - Bake for 13–15 minutes, or until cookies are set and lightly golden at the edges.
07 - Let cookies cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.