From The King of Random:

It’s mind-blowing to think this stuff is in our food! Here’s how to make a glowing “magical mud” from ordinary potatoes.

WARNING: This substance can make quite a mess, so make it in an area that will be easy to clean up. It’s non-toxic, and perfectly ok to eat in small quantities, however, use of video content is at own risk.

[The King of Random | Via]