S4·E133 What's Actually In A Marshmallow

A campfire and cereal box staple that goes back a heck of a lot longer than most people realize, marshmallows are soft, squishy and rich in delicious marsh. Or is it mallow? The truth is, while most people love the taste of marshmallows on their smores, sweet potato pie, or in their cereal, few know exactly what lurks within them.