In a large sauté pan set to medium melt the Magical Butter.
Add the marshmallows and stir until gooey smooth and creamy.
Pour the cereal into a large mixing bowl add the melted marshmallows and stir until thoroughly combined. Then add the candy and mix it in completely as well.
Pour the mixture into a large baking dish for serving. Using a silicone spatula spread it out evenly to all corners of the dish and smooth the top.
Slice into cubes and serve your Peanut Butter Marshmallow Treats to your lucky guests!