Adding salt to sweet will always be a seller

Emma Sturgess: Concerns about hidden salt levels in biscuits are well founded, but conspicuous consumption in the form of salted caramels has won over fans from Nigella Lawson to Barack Obama

Why peas are good for you

Good for you: Peas are at their freshest in early summer, and there's only one way to eat this squeaky staple: freshly podded and by the handful