Simple Barley Pilaf

1. In a medium saucepan, heat stock to boiling over high heat. 2. Add barley, reduce heat to simmer, cover and cook until tender (about 50 minutes). 3. Drain and place in a large bowl. 4. In a medium skillet, heat a few tablespoons of stock over medium heat. 5. Add scallion and celery and cook until celery is crisp-tender (5-6 minutes). 6. Add mushrooms, salt and pepper and cook until vegetables are soft and most liquid has evaporated (about 5 minutes). 7. Stir cooked vegetables into barley. Mix well. 8. Serve hot or cold.