2 starchy potatoes, such as Maris Piper or King Edward, peeled, sliced thinly on a mandolin and cut into 1–2cm/½–¾in discs
¼ hispi cabbage, chopped
½ bunch fresh dill, chopped
1 garlic clove, chopped
50²µ/1¾´Ç³ú samphire
½ banana shallot, chopped
salt and freshly ground black pepper
2 tbsp olive oil
vegetable oil, for deep-frying
350g/12oz salted butter
50ml/2fl oz double cream
2 x 150g/5½oz sea bass fillets
100ml/3½fl oz white wine