Preheat your oven to 350°F (175°C).
In a large bowl, combine peanut butter, brown sugar, and granulated sugar.
Add the egg and vanilla extract, mixing until well combined.
In a separate bowl, whisk together the baking soda and salt.
Gradually fold the dry ingredients into the peanut butter mixture.
Stir in the chocolate chips until evenly distributed.
Drop tablespoon-sized balls of dough onto a lined baking sheet.
Bake for 10-12 minutes, until edges are golden.
Let cool on the baking sheet for 5 minutes.
Transfer cookies to a wire rack to cool completely.