01 -
Using an electric hand mixer, cream together the softened butter, golden brown sugar, and granulated sugar in a large bowl until light and fluffy.
02 -
Mash the bananas thoroughly with a potato masher or fork. Add the mashed bananas, eggs, and vanilla extract to the creamed mixture and beat on medium speed until fully incorporated.
03 -
Sift together the all-purpose flour, baking soda, salt, cinnamon, and nutmeg over the wet mixture using a fine-mesh sieve. Mix on low speed until just combined.
04 -
Fold in the rolled oats and semisweet chocolate chips gently using a spatula, ensuring even distribution without overmixing.
05 -
Line a baking sheet with parchment paper. Scoop cookie dough using a medium cookie scoop onto the prepared sheet, shaping each mound into a ball if desired. Optionally, top with extra chocolate chips. Bake in a preheated oven at 350°F for 8 to 9 minutes until edges are golden.