Preheat oven to 350°F. Line a baking sheet with parchment paper
In a large bowl, mash the bananas with a fork until they have a liquid-like consistency. Add the oats and stir with a fork to combine. Fold in the chocolate chips.
Divide the dough into 1 ½ tablespoon-sized balls using a spring-loaded scoop and flatten them slightly with a spatula. Makes about 15.
Bake for 9-11 minutes or until cookies are set and slightly lightly brown and set.
Cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.
Notes
Storage: Store any leftovers in an airtight container. They will last about 7 days in the fridge or on the countertop.Freezing Instructions: To freeze the cookies, shape them into balls and place them on a baking sheet in the freezer until very cold and solid, about 20 minutes. Then transfer to a freezer-safe plastic bag. Freeze for up to 1 month for best taste.