John Burton Race and Angela Hartnett are holding auditions across the country to find the nation's worst cooks. This time they're in London. Angela and John were in London on the lookout for kitchen criminals. They put the capital's worst offenders back on the straight and narrow with a lesson in simple cookery. John proved that pancakes are not just for Shrove Tuesday, while Angela showed how quickly you can make a stir-fry from scratch.