01 -
On low heat, use a big pot to melt the butter together with the peanut butter. Drop in the marshmallows next, and keep stirring until they fully melt and blend into the peanut butter mix.
02 -
Toss the Rice Krispies into the pot and stir everything together until the mix is evenly coated.
03 -
Grease a 9x13 dish and press the mixture into it, making sure it's spread out evenly.
04 -
Melt the chocolate chips in a microwave-safe bowl, then pour the chocolate across the top of the cereal mixture, smoothing it out evenly.
05 -
If you like, sprinkle some chopped peanuts over the chocolate. Put it in the fridge to chill for about 2 hours, or until the chocolate hardens.
06 -
Cut into squares and dig in!