Gourmet Burger Kitchen (GBK) has been slammed by customers after an April Fool's joke email left many worried they had been hacked. The company's attempt at an April Fool's joke saw customers sent ...

But the GBK burgers have nearly twice as much salt, even if they are lower in fat and saturates. The flavour: Tough competition for the GBK burger here, as the M&S version came top in our ...