Preheat oven to 350°F. In a stand mixer with the paddle attachment cream butter and both sugars until light and fluffy, about 3 minutes.
1
Add in peanut butter and mix for 1-2 minutes. Add in egg and vanilla. Mix until combined and clump free.
2
Add in flour, salt and baking soda and mix just until combined. Make sure not to over mix.
3
Scoop out dough and portion into 16 cookie dough balls. Add sugar to a small bowl and roll each cookie in the sugar and place onto the prepared baking sheet.
4
Using a fork flatten cookies slightly then turn and do the opposite direction to get a crisscross pattern.
5
Bake cookies for 10 minutes until lightly golden brown and firm on the edges. Remove from the oven and let set for 3-4 minutes.