3 tbsp chopped fresh chives
225g/8oz floury potatoes, peeled and cut into chunks
1 lemon, zest and juice
1 lemon, juice only
3 tbsp chopped fresh flatleaf parsley
1 banana shallot, finely chopped
6 spring onions, thinly sliced
small handful watercress, to serve
2 handfuls watercress, leaves picked
陆 tsp English mustard powder
salt and freshly ground black pepper
2 tbsp olive oil
200ml/7floz rapeseed or light olive oil
1 tsp salt
1 tsp white wine vinegar
40驳/戮辞锄 butter
2 free-range egg yolks
375g/13oz salmon fillets, diced into 1cm/陆in pieces
175g/6oz good-quality salmon fillet, skinned, finely diced