The pair hit central London, where Len has his first taste of Middle Eastern food and samples some Peruvian ceviche. Ainsley heads to the kitchen and cooks a mouthwatering chicken shawarma inspired by the day's adventures.

The pair hit east London, where Len has his first taste of Vietnamese food and goes back to his childhood with some Jewish delicacies.

Ainsley heads to the kitchen and cooks a mouthwatering dish inspired by the day's adventures.