1
["Preheat the oven to 350u00b0F. Line a 9x9 pan with foil or parchment paper, allowing for the foil or paper to overhang and create ""handles"" for easier removal once cooled.", "First make the peanut butter layer: In a large bowl, beat the melted butter and brown sugar until creamy. Add the peanut butter and continue mixing until blended. Add the beaten egg and vanilla. Beat just until combined. Fold in the flour, salt, baking soda, and baking powder. Stir until no streaks for flour appear.", "Spread the peanut butter mixture into the bottom of the lined pan. Evenly spaced, arrange the Nutter Butter cookies into the top of the batter and press gently.", "Make the white chocolate layer: In a medium bowl, combine the white chocolate chips, vanilla, and butter. Working in 30-second intervals, heat the mixture in the microwave on high, stirring after each interval, until the chips are 80 percent melted. Continue stirring a few minutes until the chips are completely melted and the mixture is thick. Beat in the sugar, followed by the eggs, until well combined. Fold in the flour and salt until no streaks of flour appear.", "Evenly spread the white chocolate mixture over the Nutter Butter Cookie layer. Bake 30 minutes. Cool completely before removing them from the pan and cutting them into bars."]
