Oven: Preheat the oven to 350°F (180°C) and line a baking sheet with parchment paper.
Bananas: Peel the bananas. Add them to a bowl and mash them with a fork or a potato masher, or blend them with an immersion blender.
Combine: Add the rolled oats, pumpkin seeds, hemp seeds, flax seeds, cocoa nibs, chocolate chips, and a pinch of salt to the bowl with the mashed bananas. Stir to combine.
Shape: Place little heaps of batter on the baking sheet using two tablespoons (or a small cookie scoop). Gently press them into thick disks with your fingers.
Bake for 10 to 12 minutes at 350°F (180°C).
Notes
Storage: Store the cookies in an airtight container on your counter for up to 3 days. For longer storage, pop them in the fridge for 4-5 days.