Preheat oven to 350°F (180°C). Line a baking sheet with parchment paper.
In the bowl of a food processor, blend bananas and oats until bananas are smooth but you can still see the oats. Add chocolate chips and mix with a spoon.
Scoop out batter with a cookie scoop and place it onto parchment paper.
Bake for 12 to 15 minutes until tops are golden.
Notes
The add-ins are optional. You can also add in dried fruits, nuts, or seeds. If you omit chocolate chips and want to make this recipe with raisins, you should add ¼ - ½ teaspoon of cinnamon.
You can freeze pre-shaped cookies for future baking.
Nutrition information is calculated without add-ins.