Ingredients

• 1/4 cup olive oil
• 1 medium onion, chopped
• 1 stalk celery, chopped
• 2 carrots, chopped
• 3/4 cup pearl barley
• 3/4 cup dry brown lentils
• 1/3 cup dried porcini mushrooms, rinsed
• 2 quarts low-sodium beef broth
• 1/4 teaspoon dried thyme
• 1 teaspoon dried parsley
• 1/4 teaspoon freshly ground black pepper
• 1 bay leaf
• 4 cups sliced button mushrooms
• 1 tablespoon dry sherry (optional)