01 -
Preheat your oven to 350°F (175°C). Line baking sheets with parchment paper or silicone baking mats.
02 -
In a large bowl, cream the softened butter, granulated sugar, and brown sugar until light and fluffy.
03 -
Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
04 -
In a separate bowl, whisk together the flour, instant vanilla pudding mix, baking soda, baking powder, and salt.
05 -
Gradually add the dry ingredients to the butter mixture, mixing until just combined.
06 -
Gently fold in the chopped bananas, nuts (if using), and mini marshmallows (if using).
07 -
Drop rounded tablespoons of dough onto the prepared baking sheets, spacing them about 2 inches apart.
08 -
Bake the cookies in the preheated oven for 10-12 minutes, or until the edges are lightly golden.
09 -
Allow the cookies to cool on the baking sheets for 5 minutes before transferring them to a wire rack to cool completely.
10 -
If making the optional frosting, beat together the softened butter, powdered sugar, cream cheese, and vanilla extract until smooth. Add milk if needed to reach the desired consistency.
11 -
Frost the cooled cookies if desired, or enjoy them as is!.