Peel and finely dice the shallots. Peel garlic and press it through a garlic press. Peel ginger and grate finely. Wash lemon grass and chop the lower ends finely. Wash fish thoroughly and pat dry.
Sprinkle with lime juice and rub with salt. Heat the oil in a pan and fry the fish at medium heat for about 3 minutes on each side. Remove the fish from the pan and keep warm. Fry the shallots, garlic, ginger, sambal oelek and lemongrass in the frying fat for about 2 minutes.
Add coconut milk and palm sugar and bring to the boil briefly. Season sauce with salt, paprika and cayenne pepper. Arrange fish on a plate, pour sauce over it and sprinkle with chives.
Serve garnished as desired with slices of lime, chilli peppers and chives.