Preheat oven to 350 F.
In large mixing bowl, mash bananas until you've reached minimal clumps.
Mix in oats, stiring and adding more oats as needed.
Add in fixings and stir until combined into batter.
Spray cookie sheet with canola oil spray.
Use ice cream scoop for optimal cookie shape, or use spoon to form small / medium size spheres in raws on cookie sheet. Leave some wiggle room in between each cookie.
Place in oven for 20-25 minutes. Keep a close eye on them at 20 minutes - don't over-bake!
Remove cookies when ready, and allow to cool for a few minutes.
Transfer to cookie plate and serve, or store in lidded container to keep fresh and soft for days!