In a medium bowl, sift together flour, baking soda, and baking powder. Set aside.
Using a stand mixer with the paddle attachment, begin mixing the butter, granulated sugar and brown sugar until light and fluffy (2 - 3 minutes on medium speed). Scrape the bowl as needed.
Add the egg and vanilla to the mixing bowl. Mix on medium speed until combined, scraping the bowl as needed.
Add peanut butter to mixing bowl. Mix on medium speed until combined, scraping the bowl as needed.
Add flour mixture and mix on low speed until combined.
Stir in chocolate chips by hand.
Wrap dough and place in refrigerator for approximately 30 minutes or until chilled.
Preheat oven to 350℉
Prepare 2 baking sheets by lining with parchment paper or a silicone mat.
Using a small cookie scoop form balls of cookie dough (approximately 1 ½ tablespoons per cookie) .
Place the dough on parchment-lined baking sheets leaving approximately 2 inches of space between each cookie.
Lightly flatten each cookie using a dinner fork.
Bake cookies for 10 - 12 minutes, or until tops and edges of cookies are browning.
Let cookies cool on the baking sheets for 5 to 10 minutes, then transfer them to a wire rack to cool completely.