Preparation

• Heat oven to 350°F.
• Line 9-inch square pan with foil, with ends of foil extending over sides. Spray with cooking spray.
• Chop 4 cookies coarsely; reserve for later use. Finely crush remaining cookies; mix with butter. Press onto bottom of prepared pan.
• Bake 10 min. or until lightly browned. Meanwhile, chop 1/2 of 1 candy bar; reserve for later use.
• Arrange remaining candy bars over crust, breaking as necessary to fit. Immediately top with small spoonfuls of marshmallow creme.
• Bake 6 to 8 min. or until marshmallow creme is melted. If necessary, spread marshmallow creme to completely cover chocolate layer underneath.
• Top with reserved chopped cookies and chopped candy bar; press gently into marshmallow creme with back of spoon. Cool completely.
• Refrigerate 1 hour or until chilled. Use foil handles to remove dessert from pan before cutting into bars.