Preheat oven to 350 degrees f.
Spray 8x8 brownie pan with nonstick spray, or wipe pan with coconut oil.
Pulse oats in blender or food processor until finely ground.
Using mixer, cream peanut butter, applesauce, honey and vanilla till smooth. Add zucchini, cacao powder, ground oats, baking soda, and sea salt; mix until combined.
Stir in half of the chocolate chips. Pour batter into baking pan and sprinkle remaining chips on top.
Bake for 23-25 minutes.
Cool before slicing into squares.