‘I’m going to be very cautious about buying gnocchi from now on’: the best (and worst) supermarket gnocchi, tasted and rated

These squishy, bouncy potatoey pillows are suppertime favourites, but which will float your boat and which will leave you with that synthetic, sinking feeling?• The best supermarket pestoGnocchi are a godsend – my children love them – but I was shocked by the quality on offer her...