75驳/2陆辞锄 gherkins, chopped
10 fresh mint leaves
50g/1戮oz flatleaf parsley
8 large potatoes
4 banana shallots, finely chopped
1 shallot, finely chopped
3 tsp Dijon mustard
100驳/3陆辞锄 capers, drained
100ml/3陆fl oz chicken stock, boiling hot
large pinch bicarbonate of soda
salt
陆 tsp sea salt
350g/12oz self-raising flour, plus extra for dusting
3 tsp sugar
500ml/18fl oz vegetable oil
vegetable oil, for deep frying
4 tsp white wine vinegar
25g/1oz butter
3 free-range eggs, hard boiled and grated
2 free-range egg whites
3 free-range egg yolks
1 whole brill (alternatively use turbot or flounder), filleted, skinned and cut into portions
340ml/12fl oz sparkling water (or, if you prefer, beer)
400g/14oz frozen peas (defrosted)