01 -
Preheat the oven to 180°C (350°F) and line a large baking sheet with parchment paper or lightly coat with cooking spray.
02 -
In a mixing bowl, thoroughly mash the bananas until mostly smooth with minimal chunks remaining.
03 -
Add the nut butter and oats to the mashed bananas, mixing until a sticky, cohesive dough forms.
04 -
Drop spoonfuls of cookie dough onto the prepared baking sheet, shaping as desired. Note that these cookies won't spread during baking.
05 -
Bake for 10-12 minutes, until the edges turn slightly golden-brown.
06 -
Allow cookies to cool for at least 15 minutes before carefully removing from the baking sheet with a spatula.