Several ‘Italian’ tomato purées sold in British supermarkets, including Waitrose and Tesco, have been found to contain tomatoes from China, a BBC investigation claims. File Photo/Reuters “Italian” tomato purées sold by supermarkets in the United Kingdom have been found to contain tomatoes from China, an investigation claims. Items like Tesco’s “Italian Tomato Purée” and Waitrose’s “Essential Tomato Purée” have been …