INGREDIENTS
•
1 1/2 sticks (12 tablespoons) of unsalted butter, melted and cooled 1 cup loosely packed brown sugar 1/2 cup granulated sugar 1 large egg + 1 egg yolk 2 teaspoons vanilla extract 2 cups all-purpose flour 1/2 teaspoon baking soda 1/4 teaspoon salt 3/4