4 Ingredient Banana Bread

0 Preheat oven to 350℉.
1 Butter a 9 x 5 loaf pan (I like to butter as it makes for an excellent crust, but you could oil or use non-stick spray), and set aside.
2 Mix the cake mix, eggs, oil, and vanilla extract with an electric hand mixer in a large bowl. Mix until almost all combined.
3 Add the smashed bananas to the cake mixture.
4 Mix until all ingredients are combined, and you don’t see any more dry flour.
5 Pour into the prepared pan.
6 Sprinkle the granulated sugar on top of the dough.
7 Bake in the preheated oven for 50 to 55 minutes. Or until you insert a toothpick in the middle and comes out clean. Middle of cake will register 200℉ on an instant-read thermometer.
8 Cool in the pan for 4 to 5 minutes.
9 Transfer the banana bread to a rack and cool completely. For best slices wrap cooled bread with plastic wrap and let it stand overnight.