Place 4 cups Golden Grahams and 3 cups Chex cereal in a large mixing bowl and set aside. Put powdered sugar in a gallon size baggy and set aside.
In a microwave safe bowl add 1 cup chocolate chips and peanut butter. Microwave for 30 seconds at a time stir in between until melted together. Once fully melted pour over cereal and add 1 cup marshmallows then stir until evenly coated.
Pour chocolate coated cereal into the large bag with powder sugar. Shake it up until evenly coated.
Pour muddy buddies onto a baking sheet lined with wax paper. Add leftover 1 cup Golden Grahams, 1 cup marshmallows, and ½ cup chocolate chips. Allow to dry for a few minutes and then serve.