Why not try house-cured salmon. To the basic curing ingredients of salt and sugar, add aromatic herbs like dill, tarragon and fennel fronds, and spices such as caraway, fennel or coriander seeds. Try an Asian-inspired twist with fresh coriander, crushed cardamom pods and lime zest. A dash of alcohol like brandy or gin will add another layer of flavour. Or, the addition of grated beetroot to the cure will add spectacular colour.