Slow-Cooker Bean and Barley Soup Recipe | Food Network UK

Ingredients

• 200g dried mixed beans or Great Northern beans
• 1.4 L water
• 1 (400g) tin whole tomatoes, with juice
• 3 cloves garlic, crushed
• 2 sticks celery, chopped
• 2 medium carrots, chopped
• 1/2 medium onion, chopped
• 60g pearl barley
• 1 bay leaf
• 1 1/2 tbsp salt, plus additional for seasoning
• 2 tsp dried Italian herb blend
• Freshly ground black pepper
• 15g dried porcini mushrooms, optional
• 85g cleaned baby spinach leaves
• 80g freshly grated Parmesan
• 1 tbsp balsamic vinegar
• Extra-virgin olive oil