This Indonesian monkfish curry is inspired by a similar recipe from Sarah Raven's lovely book 'Food for Friends & Family'. Its signature flavours come from lots of fresh lemongrass, coriander, and coconut milk. We've added lots of vegetables in our version - red pepper, savoy cabbage, and broccoli - but feel free to use whatever you have on hand. The mango salsa isn't necessary but it does add something special to the finished dish. Serve with basmati rice for a complete, satisfying, and delicious meal.