The quick piccalilli for these delicious sausage rolls ... Blend the cornflour, turmeric, mustard powder, mustard seeds, cumin and coriander to a smooth paste with a little of the vinegar.

The Superdawg is topped with mustard, bright green Piccalilli relish, a dill pickle spear, chopped onions, and a whole hot pepper that the menu describes as "memorable." It comes with fries ...