01 -
Preheat oven to 375°F (190°C) and lightly coat a baking sheet with cooking spray.
02 -
In a large bowl, beat the egg, then mix in the peanut butter, mashed banana, and vanilla extract until smooth.
03 -
Add the instant oatmeal, white sugar, and semisweet chocolate chips to the wet mixture and stir until well combined.
04 -
Shape the dough into 1-inch balls and place them on the prepared baking sheet, spacing evenly. Flatten each ball slightly with the back of a spoon.
05 -
Bake in the preheated oven for 9 to 12 minutes until the edges are set but centers remain slightly soft.
06 -
Allow cookies to cool on the baking sheet for 10 minutes to firm up before transferring to a wire rack or serving.