The two men were dining at London's Le Pont de la Tour restaurant when Mr. Holland deftly navigated his way around the fine wine list, ordering a 1978 Pommard.

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The tour's quirky title was inspired by a wholesome San Francisco, California, restaurant Mraz loves.

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You will swap the tube for the trail on the one-day Food Safari tour, led by foraging pro Nick Saltmarsh, one-time supplier to famous London restaurant Le Gavroche.

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We take a tour with him through the kitchen to see the produce, the salmon they smoke at the restaurant and the heirloom tomatoes.

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On the tour, we avoided the many cevapcici (minced meat kebab) shops, instead stopping at an intimate restaurant serving up freshly cooked dishes from a tiny open kitchen with space for only one cook.

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