1) Preheat the oven to 180 °C 2) Rinse the sea bass under running water and stuff with sage leaves, the bay leaf, the garlic clove and a pinch of salt.. 3) Wash the tomatoes and cut them into quarters. 4) Wash and chop the carrot, celery and onion. 5) Put the chopped vegetables in to a frying pan with the oil and let it fry on low heat for a few minutes. 6) Add the parsley and the tomatoes and cook for at least 5 minutes more. 7) Add the basil coarsely broken with your hands, season with salt and pepper, then spread on a baking pan large enough to contain the sea bass, 8) Place the sea bass on the top and sprinkle with olive oil. 9) Bake for 45/50 minutes, (cooking time will vary depending on the weight and thickness of the sea bass) spraying when needed with a little 'white wine. 10) When cooked, remove the fish from the oven and place on a serving dish with the vegetables. 11) Serve with a salad of shredded iceberg lettuce and cherry tomatoes.