Essential ingredients if you want to cook like Gwynie

Agave nectar, Mexican chilli sauce and wheat-free noodles: it's a gourmand's delight in Gwyneth's kitchenThis week, Gwyneth Paltrow appeared at the London Roundhouse to run through the store cupboard essentials from her new cookbook. We've come a long way since Delia Smith who, memorably, always has capers in her larder. Paltrow's least esoteric ingredient is olive oil. The rest, you might be