The MasterChef judge's cooking demonstration was themed around National Sandwich Week.
The infected blood scandal saw thousands of people in the UK in the 70s and 80s given blood transfusions or blood products that were infected with viruses such as Hepatitis B, Hepatitis C and HIV.
The Philippines blamed Chinese fishermen on Monday for a massive loss of giant clams in a disputed shoal controlled by China's coast guard in the South China Sea and urged an international inquiry into the amount of environmental damage in the area. The Philippine coast guard presented surveillance photographs of Chinese fishermen harvesting large numbers of giant clams for a number of years in a lagoon at Scarborough Shoal, but said signs of such activities stopped in March 2019.