Slow Cooker Bean and Barley Soup Recipe - Food.com

Ingredients

• 1 cup dried bean mix, picked over and rinsed
• 6 cups water
• 1 (14 ounce) can diced tomatoes
• 3 garlic cloves, smashed
• 2 celery ribs, chopped
• 2 medium carrots, chopped
• 1/2 medium onion, chopped
• 1/2 cup pearl barley
• 1 bay leaf
• 1 1/2 teaspoons kosher salt
• 2 teaspoons dried Italian seasoning
• fresh ground black pepper
• 1/2 ounce dried porcini mushrooms (optional)
• 3 cups baby spinach leaves
• 1 cup parmesan cheese, freshly grated
• 1 tablespoon balsamic vinegar
• extra virgin olive oil, for drizzling