Us Brits may have a reputation for an unadventurous approach to food. But the national palate is pretty sophisticated these days thanks to major supermarkets bringing exotic food to shelves across the country. Marks & Spencer's archive reveals how the British public has been on a steep learning curve over the past century. It unveils shoppers' amusement and confusion as they grapple with new groceries. Marks & Spencer's archive has lifted the lid on hilarious accounts of shoppers trying new and exotic food Customers struggled with new groceries including avocado pears, left, and king prawns, right The debut in 1959 of the avocado pear from Israel sent customers into a spin, with some trying to eat the fruit with the skin on. Nathan Goldenberg, the retailer's first head of food technology, wrote: 'A lady came back one day to our Manchester store and complained about the poor quality. 'Because they were called 'avocado pears', she had