For Muddy Buddy Mix:
Pour the chex cereal into a large bowl.
In another bowl, combine the butter, chocolate chips and peanut butter.
Microwave for 1 minute, remove from the microwave and stir. Microwave for 30 more seconds longer or until mixture can be stirred smooth.
Pour the chocolate peanut butter mixture over the cereal and mix until all of the cereal is coated.
Divide cereal into two 1-gallon ziplock bags. Add 2 cups of powdered sugar to each bag.
Seal the bags and shake! Shake until all of the cereal is coasted with the powdered sugar.
Spread the cereal onto 2 baking sheets that have been lined with parchment paper.
Let the cereal sit until cool.
Melting white almond bark according to package directions.
To turn it gray, add a few drops of Black Oil Based Food Coloring for Chocolate OR black melting chocolate. Stir.
Fill a piping bag with the chocolate and pipe small tombstone shapes onto a piece of parchment paper.
Let chocolate harden for 10 minutes.
Flip over and use a Black Edible Marker to write things like "RIP" or death dates on the tombstones.
Add Muddy Buddy Mix, tombstones and all other snack ingredients to a large bowl and mix together.