The Amsterdam-based Tony’s Chocolonely is out to change the world of chocolate.

When founder (and former journalist) Tony)van de Keuken discovered how difficult it is to make chocolate without using slave labor, he set out to change the cocoa supply chain. This year, the company's top "chocolate evangelist," Ynzo van Zanten, is a speaker at this year's South by Southwest, and he's also bringing an "interactive chocolate experience" via what the fair-trade and B Corp-certified company is calling a "Chocotruck."

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The Chocotruck is kicking off a U.S. tour at SXSW this weekend. At the truck, which will be parked at 307 E. Second St. from 11 a.m. to 7 p.m. March 10-12 and at Whole Foods' flagship store at 525 N. Lamar Blvd. from 11 a.m. to 3 p.m. March 14-15, members of the public can sample all of Tony’s classic flavors. Bars will also be available for purchase for $5.49, or you can buy a mix-and-match Chocotruck box set of four bars for $20.

But inside the truck is where Chocolonely's mission comes alive. Visitors can take an "interactive bean to bar journey through the entire chocolate supply chain, experiencing hands on how Tony’s is making chocolate differently: in taste, packaging and the way cocoa farmers are treated," according to a release.

The truck will be in Austin from March 10-15 before heading to Arizona. You can find out more about the chocolate and the truck at tonyschocolonely.com/us/en/chocotruck.