Preheat oven to 350 F and spray 12 cup standard muffin tin or 24 cup mini muffin tin with nonstick cooking spray. I used mini muffin tin.
First, in a bowl whisk dry ingredients: flour, baking soda, cinnamon and salt.
Then, in a large bowl mash bananas. Next, add honey, oil, vanilla, milk, Greek yogurt and egg, then, mix until well combined and smooth. You can use electric mixer or whisk by hand.
Add dry ingredients and mix (or whisk)until just combined, too.
Finally, fold in chocolate chips.
Fill muffin tin with batter almost to the top and bake until the toothpick inserted in the muffin comes out almost clean with a few crumbs attached. It takes about 20-25 minutes for regular sized muffins or 14-16 minutes for mini muffins.
Cool the muffins for 5 minutes in the pan, then transfer to a wire rack to cool completely.