1 tbsp dill, roughly chopped
2 tbsp chopped fresh dill
400g/14oz gooseberries, stems removed
1 kohlrabi, trimmed, peeled and diced
1 tbsp lemon juice
8 heritage radishes, trimmed and thinly sliced
30g/1oz wholegrain mustard
1 tbsp caster sugar
100g/3½oz clear honey
1 tsp mustard seeds
300ml olive oil, plus a little extra
2–3 tbsp rice vinegar
pinch salt
sea salt
1–2 tbsp light soy sauce
50²µ/1¾´Ç³ú sugar
50ml/2fl oz distilled vinegar
1 tbsp chardonnay vinegar
4 small fresh mackerel fillets