Preheat your oven to 350°F (175°C).
Mash the ripe banana in a bowl, then fold in the natural peanut butter and vanilla protein powder until a sticky dough forms.
Scoop the dough onto a parchment-lined baking sheet to form 6 cookies, shaping them into circles as best as you can.
Top the cookies with chocolate chips if desired, and press them down lightly with a fork.
Bake for 10-12 minutes, until the edges are golden and the center is no longer wet.
Remove from the oven, top with sea salt, and let cool for 5 minutes before transferring to a cooling rack.
Cook it hands-free.
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