rapeseed oil (cold-pressed recommended) • large onion, sliced • Plain flour • Salt • Ground black pepper • liver. Lamb’s liver is probably the standard but calf’s liver is our usual choice as it’s more delicate whilst pig’s and ox livers have stronger flavours • oxo gravy
For the chopped liver: • calf’s, chicken or beef liver, or any combination you wish • medium onions, peeled and sliced • hard-boiled eggs, shelled • vegetable oil (or schmaltz) • Salt and ground white pepper • Vegetable oil for frying • For the egg and onion: • hard-boiled eggs, shelled • medium onion, peeled and finely chopped • spring onions, white and green parts finely sliced • vegetable oil •