Use it all: Anna Jones's recipes that waste nothing | The modern cook

‘Throwaway’ veg tops become a zingy pesto for a tray of roasted roots, and a pot of beans is made with the liquid they were cooked inWe talk a lot about waste these days. Rigid sell-by dates and a squeamish attitude to imperfection encourage us to throw away perfectly good food: tops are cut off turnips, beetroot and carrots before we have even had a chance to think of using them; ingredients prepared in advance in restaurants are destined for the bin on a quiet night; butternut squa