01 -
Peel and mash ripe bananas in a large bowl until mostly smooth with small chunks remaining.
02 -
Whisk peanut butter, sugar, eggs, and vanilla extract together until fully incorporated and creamy.
03 -
In a separate bowl, sift together all-purpose flour, baking soda, and salt to evenly distribute leavening and seasoning.
04 -
Gently fold the dry ingredients into the wet banana mixture just until combined to prevent batter from overmixing.
05 -
Carefully fold chopped peanut butter cups into the batter to disperse pockets of chocolate evenly.
06 -
Transfer batter to a greased loaf pan and bake at 350°F (175°C) for 50 to 60 minutes until a toothpick inserted in the center comes out clean.