2 sticks celery, thinly sliced
celery leaves, for garnish (optional)
lemon juice, to taste
salt and pepper, to taste
1 small sprig tarragon, finely chopped
3 tbsp mayonnaise
陆 tsp coriander seeds
陆 tsp peppercorns
250ml/9fl oz rice vinegar
1 tsp pickling spices
2 tsp sugar
butter, to taste
1 cooked lobster, shell removed, chopped into chunks
2 brioche rolls