3 tbsp snipped chives
3 unwaxed lemons
1 tbsp chopped mint
2 tbsp chopped parsley
1 tbsp chopped tarragon
salt and freshly ground black pepper
caster sugar, measured to the 850ml/1陆 pint mark in a measuring jug
150g/5oz butter, cut into small pieces
9 free-range eggs
450g/1lb smoked salmon, cut into 1-2cm/陆-戮in thick steaks