How to have a zero waste kitchen: tips from Jamie Oliver, Tom Kerridge, Skye Gyngell and more

Restaurants have a daily battle against wasting food. We asked top chefs for their home hacks that will save you money and give your cooking a flavour boostAccording to the campaigning waste charity Wrap, UK households bin 5m tonnes of edible food every year. That is 1.1m tonnes less than in 2007, a drop that, in CO2 terms, is equivalent to taking 2.2m cars off the road each year. But, clearly, there is still a lot that could be done to inspire us to use the ingredients we buy with greater dilig