In one of their latest videos they sit down and see if various
breakfast foods things will work as a pancake.
Some of the items they combine with the fried breakfast cakes include Fruity Pebbles Cereal, Bagels and Lox, Toothpaste (don't eat toothpaste), cheeseburgers, bone (marrow) and guinea pig testicles. As you can see the ingredients take a pretty hard left turn.
However, the two sit down and eat every single item in the name of breakfast science. Check it out as they pancake things.