01 -
Preheat oven to 350°F (175°C) and line baking sheets with parchment paper.
02 -
In a large bowl, cream together softened butter, creamy peanut butter, powdered sugar, and light brown sugar until smooth and fluffy.
03 -
Beat in the egg and vanilla extract until fully combined and creamy.
04 -
Add all-purpose flour and salt, mixing just until a soft, thick dough forms. Avoid overmixing to maintain tenderness.
05 -
Scoop about 2½ tablespoons of dough per cookie, roll into balls, and place on the prepared baking sheet without flattening or pressing with a fork.
06 -
Bake until edges are set but centers remain soft and slightly underbaked, approximately 10–12 minutes.
07 -
Allow cookies to cool on the baking sheet to enable the natural swirl to develop, then transfer to a wire rack to cool completely.