Celebrity chef Jamie Oliver has ruled the debate over school lunches since his 2010 campaign to overhaul American diets — starting with those on-camera confrontations with lunch ladies in his show "Jamie Oliver's Food Revolution."

He sent a team of healthy food advocates on tour in a big rig equipped with a teaching kitchen. But the team got an unexpected lesson Saturday when it ended the tour with a cooking demonstration in San Diego.

The lesson came from a group of Muslim students and parents at Hoover High School in City Heights.

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