Black Cod Ratatouille En Papillote

Name: Black Cod Ratatouille En Papillote
Ingredients: 2 pounds black cod, skinned; 1 onion, thinly sliced; 2 eggplants, thinly sliced; 1 zucchini, thinly sliced; 1 yellow zucchini, thinly sliced; 1 tomato, thinly sliced; 2 tablespoons olive oil; 1 red pepper, seeded and diced; 1 clove garlic, minced; 4 sprigs fresh thyme; 2 tablespoons butter, cubed; Sea salt and freshly ground pepper; Bunch of fresh basil, leaved picked; Bunch of fresh chives, cut into 1-inch sticks; Bunch of fresh parsley, leaves picked; Bunch of celery leaves; Bunch of fresh chervil, leaves picked; Bunch of fresh dill, coarsely chopped; 1 teaspoon white balsamic vinegar; 1 teaspoon olive oil; Salt and freshly ground pepper