Wild Mushroom Couscous

Name: Wild Mushroom Couscous
Ingredients: 2 tablespoons olive oil; 1 onion, minced; 3/4 pound portobello or white mushrooms, trimmed, wiped clean and sliced; Salt and freshly ground black pepper, to taste; 1 Italian sweet turkey sausage, sliced; 5 cups water; 2 chicken bouillon cubes; 1 teaspoon herbes de Provence; 1/4 teaspoon red pepper flakes, or to taste; 1/2 teaspoon lemon pepper; 1 2/3 cups couscous; 3 tablespoons snipped fresh dill; Extra virgin olive oil, for drizzling as garnish; Freshly grated Parmesan to taste, as garnish