There is something so good about leeks and cheese together. Nothing else is really needed.
Serves 4
leek 1 large, thinly sliced into rounds
unsalted butter 50g
plain flour 1 heaped tbsp
double cream 250ml
Keen’s cheddar 100g (or any good-quality strong cheddar), coarsely grated
dijon mustard 1 tbsp
sea salt and freshly ground black pepper
your favourite bread 4 slices