Preheat oven to 350 degrees and line two cookie sheets with parchment paper or silicone baking mats
Using a standing mixer, beat the butter, peanut butter, brown sugar, and regular sugar until creamy
Beat in eggs, 1 at a time until combined
Beat in the vanilla extract
Whisk the dry ingredients into a medium bowl then gradually beat the dry ingredients into the wet
Using a medium cookie scoop, scoop dough into your hands and roll it into a ball
Place the dough balls onto a cookie sheet and lightly press them into a thick round disk
Bake in the oven for 12-15 minutes or until lightly brown on the sides
Allow cooling completely before removing from cookie sheet