Fish tacos from Baja California

Ingredients

• 2 sea bream, sea bass or red mullet, weighing about 350g/12oz each, filleted

• 8 flour tortillas

• 225g/8oz iceberg lettuce, shredded finely

• 290ml/½ pint soured cream

• salt and freshly ground black pepper

• sunflower oil for deep-frying

For the batter

• 225g/8oz plain flour

• 2 eggs

• 200ml/7fl oz water

For the salsa

• 1 medium red onion, finely chopped

• 5 tomatoes, skinned, seeded and finely chopped

• 3-4 red chillies, seeded and finely chopped

• 1 tsp sugar

• 1 lime, juice only

• 4tbsp chopped fresh coriander