Preheat oven to 350 °
Spray a 4 × 8 inch loaf pan with nonstick cooking spray.
Whisk flour, baking soda, salt, and cinnamon in a small bowl and set aside.
In a large bowl, mix butter and sugars with an electric mixer until creamy, scraping down the sides as needed.
Add eggs, one at a time, mixing well after each.
Mix in mashed bananas, greek yogurt, and vanilla extract and mix until smooth
Slowly mix the dry ingredients into the banana mixture until combined. Do not overmix. Fold the chocolate chips into the batter.
Pour batter into the prepared pan. Bake for 40 minutes.
Remove from the oven and cover the top with aluminum foil. Continue baking for 15 minutes, or until a toothpick comes out clean when inserted into the center.
Remove from oven and allow to cool in pan for 10 minutes. Remove from pan and allow to cool completely before serving.
