It started with a simple swoosh symbol Tisha Saravitaya saw when she twisted open an Oreo cookie.

The swoosh vaguely mimicked that of the popular logo created by Nike. Ever since then, Saravitaya has been hoarding every specialty Oreo flavor on the market and using them to alter her favorite treat into works of art.

Using only Oreo filling and the occasional drop of food coloring, food artist Saravitaya can create anything from portraits, to logos, to movie scenes on the tiny canvases of Oreo cookies.

Watch this video where she recreates the most popular "Harry Potter" characters in tasty, bite-sized treats.

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