Preparation Steps

• Brown the butter in a saucepan over medium heat until golden and nutty. Let it cool to room temperature.
• In a large bowl, whisk the cooled brown butter, brown sugar, and granulated sugar together until smooth.
• Whisk in the egg and vanilla extract until fully combined.
• Stir in the flour, baking soda, and salt until a dough forms.
• Scoop the dough into 12 balls and chill in the refrigerator for 1 hour.
• Preheat oven to 350°F. Line a baking sheet with parchment paper.
• Bake the cookies for 10 minutes until the edges are golden. Let cool on the baking sheet before transferring to a wire rack.