Heat the butter and add cape gooseberries, brown sugar and chillies to it.
Let the berries cook for about 10 minutes till soft and cooked.
Add parsley and cook for another minute.
Let it cool and puree once cool.
Add pepper and salt to the sauce and some water and let it simmer till it reaches the desired consistency.
Keep to cool
In the meanwhile, mix bread crumbs, salt, pepper and herbs together.
Coat the fish fillets and fry in heated oil both sides till done.
Serve the herb fish on a bed of sauce along with some salad.