Herb Roasted Salmon With Creole Vegetables

Name: Herb Roasted Salmon With Creole Vegetables
Ingredients: 1 tablespoon olive oil; 1 small onion, minced; 1 medium celery rib, minced; 2 garlic cloves, minced; One 2 1/2 -pound skinless salmon fillet; 1/4 teaspoon freshly grated nutmeg; Salt and freshly ground pepper; 6 sage leaves; Leaves from 1 large rosemary sprig; 1/4 cup plus 2 1/2 tablespoons olive oil; 3 large sweet potatoes, peeled and cut into 1-inch chunks; 5 garlic cloves, minced; 2 shallots, minced; 1 teaspoon thyme leaves; Pinch of cayenne pepper; Salt and freshly ground black pepper; 1/2 pound small okra, halved lengthwise; 1/2 pound shiitake mushrooms, stems discarded, caps halved; 1/2 fresh cayenne chile or 1 jalapeño, seeded and minced