Treat yourself to Rick Stein’s battered langoustines with a luxurious tartare sauce, made with homemade mustard ... egg and breadcrumbs in separate bowls. Take the langoustines or prawns and ...

Add the blended mustard paste, turmeric, coconut milk, grated coconut and salt. Bring to a boil then simmer for 4-5 minutes. Add the prawns and green chillies and simmer for a further 3-4 minutes ...