01 -
Preheat oven to 350°F (175°C). Grease and flour an 8×4-inch loaf pan or line with parchment paper to prevent sticking.
02 -
Using a fork, mash the ripe bananas until smooth and measure out 1 1/3 cups. Set aside.
03 -
In a medium bowl, whisk together the all-purpose flour, baking soda, salt, and cinnamon until thoroughly combined. Reserve for later.
04 -
In a separate large bowl, beat the softened butter, brown sugar, and granulated sugar with a hand mixer on medium speed until the mixture is light and fluffy, about 2 minutes.
05 -
Beat in the eggs one at a time, fully incorporating after each addition. Mix in vanilla extract until blended.
06 -
Stir the mashed bananas into the butter-sugar-egg mixture until evenly combined.
07 -
Add the flour mixture to the wet ingredients. Stir gently with a spatula just until the batter is combined, being careful not to overmix.
08 -
Spread batter evenly into the prepared pan. Bake for 45 to 60 minutes, until a toothpick inserted in the center comes out clean. Do not overbake.
09 -
Cool in the loaf pan for 5 minutes, then transfer bread to a wire rack to cool completely before slicing.