Barley Risotto with Wild Mushrooms

Heat a Dutch oven over medium heat. Add oil to pan; swirl to coat. Add leek; sauté 10 minutes or until tender. Add oyster, cremini, and shiitake mushrooms; cook 15 minutes or until tender, stirring occasionally. Add barley and garlic; cook 2 minutes or until toasted and fragrant, stirring frequently. Add wine and 1 teaspoon thyme; simmer 1 minute or until liquid is nearly absorbed. Add 8 cups water and porcini mushrooms. Reduce heat, and simmer 1 hour or until barley is tender and creamy, stirring frequently. Stir in cheese, salt, and pepper. Sprinkle with remaining 1 teaspoon thyme. Serve immediately.