The piles of multicoloured packets, boxes and bags in Amanda Duddridge’s weekly supermarket shop are typical of most modern families in the UK, with frozen pizzas, crisps, squash, flavoured yoghurts, breakfast cereals and cakes.
Like many parents, Amanda, 36, really wants her family to eat healthily — the teaching assistant from South Wales and her partner, Grafton, 38, a customer service adviser for British Gas, have two daughters, Esmee, eight, and Elvie, three.
So Amanda stocks up on rice cakes,