Preheat oven to 350 degrees F. and line a baking sheet with parchment paper.

Place butter and sugar into a large bowl, stirring to combine. Stir in egg, vanilla and peanut butter stirring well. Slowly add in flour, baking soda, and salt stirring a bit then add chips and peanuts. Stir until dough forms and scoop onto prepared baking sheet. Bake for 12-14 minutes, until baked through. Let cool and serve room temperature.