Preheat oven to 350ºF and grease an 8×8″ baking dish with butter, coconut oil or cooking spray.
Blend avocado, banana, maple syrup, and vanilla in a blender or food processor.
Next, combine the eggs, coconut flour, cocoa powder, sea salt, baking soda and blended avocado mixture in a large mixing bowl.
Transfer the brownie batter to an 8×8″ baking dish and sprinkle chocolate chips over the top.
Bake for 25 minutes or until set.
Cool and cut into squares. Enjoy!