Preheat the oven to 325 degrees and lightly grease or line regular sized muffin pan.
Add whole oats to food processor or smoothie attachment of Ninja and blend to a fine flour consistency.
Add oat flour to medium bowl, followed by cocoa powder, baking soda, and sea salt, stir to combine.
Stir in finely grated zucchini and mix until zucchini is completely coated in the oat flour/cocoa mixture.
Add the honey, melted butter, eggs, and vanilla extract, then mix until well combined, without over mixing.
Stir in 1/2 cup chocolate chips, then divide equally into 12 muffins, top with remaining 2 tbsp chocolate chips.
Bake 18-20 minutes, then allow to cool 10 minutes or so before removing and serving. Enjoy!