Cut a carrot into very thin strips after peeling (julienne). Leeks should be cut into pieces that are about 2 inches long after being split in half lengthwise, rinsed, and then cut.Cut carrot slices into lengths of about 2 inches.
Peel shallot and finely chop.
In a deep skillet, heat the oil. Shallots should be sautéed over medium heat with frequent turning until transparent. Cook the leek and carrot for a further two minutes.
Star anise, orange, carrot, and fish stock should all be added. Shortly bring to a boil, then cook on medium heat for about 4 minutes.
Turbot fillets should be rinsed, dried off, seasoned with salt, and added to the soup. Over medium heat, cook with the lid on for 6-7 minutes.
From the heated liquid, remove the fillets.
Divide the vegetables on two large dishes, then top with the fish fillets.
Immediately serve the fish and veggies with the hot broth on top.