200g/7oz celeriac, peeled
10驳/鈪搊锄 chives, chopped (plus some chive flowers to garnish, if you have them)
10驳/鈪搊锄 dill fronds, chopped
1 garlic clove, chopped
1 kohlrabi, peeled
2 lemons, grated zest and juice only
10驳/鈪搊锄 tarragon, chopped
2 tbsp Worcestershire sauce
salt and freshly ground black pepper
2 tbsp fish sauce
30ml/1fl oz olive oil
1 slice white bread
2 cooked crabs, around 1kg/2lb 4oz each
sourdough toast, to serve