Wash the sea bass thoroughly inside and out under cold running water and pat dry.
Preheat the oven to 200°C/400°F/gas mark 6.
Peel and coarsely chop the ginger and garlic.
Blend them with 3 tablespoons water until a smooth paste forms.
Heat the oil in a frying pan over medium-high heat.
Add the mustard seeds and stir until they begin to pop.
Add the dried red peppers and stir once.
Pour in the ginger-garlic paste, add the turmeric, and fry for 2 minutes.
Transfer the contents of the frying pan back into the blender.
Add the coriander, lemon juice, and salt.
Blend to a smooth paste, adding up to 2 tablespoons of water if needed.
Line a large baking dish with foil or banana leaves.
Place the sea bass on top and coat it thoroughly with the coriander paste, inside and out.
Fold the foil or banana leaves over the fish to enclose it completely.
Bake in the preheated oven for 30 minutes.
Carefully unwrap the fish and transfer it to a serving platter.
Spoon any leftover chutney from the foil onto the fish before serving.
Notes / Tips / Wine Advice:
Serving Tip:Serve with plain basmati rice and a side of Tomato and Onion Relish for a balanced meal.Wine Advice:Pair this flavorful dish with a crisp Sauvignon Blanc or a light and citrusy Albariño to complement the fresh chutney flavors.