Use the olive oil to saute the onions, garlic and bay leaves in a large pan. Stir well and 5 minutes later add the tomatoes. Let it cook for another 5 minutes and season with salt, paprika and chilli flakes.
Add the water or fish stock (save some for later, you might need it) and beer. Let it start to boil.
Add the sweet red pepper and rice (some varieties of rice need washing first). Stir occasionally!
When the rice it's half the way cooked add the monk fish and 5 minutes later the prawns. Keep adding water or stock if needed.