Wash and clean the mussels. Sort out open mussels. Bring broth and coconut milk to the boil in a large pot. Add mussels to the pot and cook covered for 8-10 minutes, stirring occasionally. Prepare rice in boiling salted water according to package instructions
Remove the mussels. Pour cooking liquid through a sieve. Peel and finely chop the onion. Wash the coriander, shake dry and chop the upper 1/3 of the stems coarsely
Melt the fat in a pot. Sauté the onion for about 2 minutes, then dust with flour and mix well. Add the cooking liquid while stirring. Season with salt, pepper and curry powder and simmer for about 8 minutes
Add about half of the coriander and mussels to the sauce, bring to the boil briefly. Arrange the mussels in shells and sprinkle with the remaining coriander. Drain rice and add