As | Above |
Preheat the oven to 350°F and line a baking sheet with parchment paper.
Combine the room temperature butter, peanut butter, and brown sugar in a small bowl. Use a fork to mix together until smooth.
Add the egg yolk and vanilla extract and mix well.
Add the flour, salt, and baking soda and use a rubber spatula to fold everything together until smooth and no streaks of flour remain.
Use a 1.5-ounce cookie scoop to scoop out two large cookies. If desired, roll in some granulated sugar.
Place on the prepared cookie sheet two inches apart.
Bake for 11 minutes or until the cookies have puffed up and are set on the edges but are still slightly gooey in the middle.
Allow to cool completely before eating! Enjoy!