INGREDIENTS 1/2 cup unsalted butter, melted and cooled 1 cup packed brown sugar 1 eggs + 1 egg yolk , room temperature 1 tablespoon vanilla extract 1/4 teaspoon baking powder 1/2 teaspoon salt 1 cup all purpose flour 1 cup semisweet chocolate chips (optional) 4 tablespoons creamy peanut butter 4 tablespoons Nutella INSTRUCTIONS https://bromabakery.com/peanut-butter-nutella-blondies/