01 -
Position oven rack on the lower third and preheat to 350°F. Grease a 9x5-inch loaf pan with nonstick spray and set aside.
02 -
In a medium bowl, whisk together flour, baking soda, salt, and ground cinnamon until evenly mixed.
03 -
Using a mixer with paddle attachment, beat butter and brown sugar on medium-high speed until light and creamy, approximately 3 minutes.
04 -
Add eggs one at a time on medium speed, beating well after each. Scrape down bowl sides. Mix in Greek yogurt, vanilla extract, and mashed bananas until fully blended.
05 -
Reduce mixer speed to low and add dry ingredients gradually, mixing just until combined; avoid overmixing.
06 -
Gently fold in chopped nuts or chocolate chips if using, ensuring an even distribution without deflating the batter.
07 -
Pour batter into prepared loaf pan, smoothing the top. Bake for 60 to 65 minutes, loosely covering with foil halfway through to prevent excessive browning. Insert a toothpick into center to confirm doneness; it should come out clean or with a few moist crumbs.
08 -
Set the pan on a cooling rack and cool the loaf for 1 hour before removing from the pan. Allow to cool completely on the rack before slicing and serving.