Fast food grease as art? Yep. Watch as artist Phil Hansen creates a huge replica of the Mona Lisa using nothing but grease squeezed from hamburger patties - and it only took him 10 double burgers to do it.

He didn't just do this for fun, though... it's actually an Arby's ad.

Link via Slashfood

Previously on Neatorama: Bruce Lee Speed Painting | Phil Hansen's Influence: a Body Paint Art