1/2 cup salted butter or margarine
3/4 bag marshmallows
1 cup ground graham crackers
5 cups crisp rice cereal
3.5 ounces milk chocolate
1/4 cup Nutella
Line a 13x9-inch baking dish with foil; coat foil with cooking spray.
Melt butter and marshmallow in a large saucepan over medium heat, stirring frequently. Stir in graham cracker and cereal until well combined; spread into dish.
Melt together milk chocolate and Nutella in a small bowl in the microwave, stirring every 20 seconds until smooth. Spread milk chocolate mixture on top of rice krispie treats. Cool and allow to dry completely before lifting out foil and slicing into bars.
Makes 15 treats