01 -
In a large mixing bowl, combine granulated sugar, golden brown sugar, and melted butter using an electric hand mixer for about 1 minute on medium-low speed.
02 -
Add vanilla extract and eggs to the mixture. Mix on medium speed until well blended.
03 -
Mash ripe bananas in a separate bowl and fold them into the muffin batter.
04 -
Sift all-purpose flour, baking soda, and salt together. Gradually mix the dry ingredients into the wet banana batter until just combined.
05 -
Gently fold the chopped walnuts and chocolate chips into the batter using a spatula.
06 -
Line a muffin tin with cupcake liners and evenly fill each liner with batter. This recipe yields about 12-13 muffins.
07 -
Top each muffin with additional chocolate chips and bake at 350°F (175°C) for 20-24 minutes, or until a toothpick inserted into the center comes out clean.