Pickles and mayonnaise are no strangers to sandwiches, albeit we usually add each individually. However, combining the two into one crunchy creamy condiment is the upgrade your next sandwich needs.

Sandwiches are big business in Manchester these days. To be clear, I’m not talking about the tuna-mayo concoction that you made bleary-eyed, suffocated in clingfilm and squashed into Tupperware ...