Farro, White Bean and Smoked Ham Soup Recipe

Ingredients

• 2 tbsp mild-flavoured olive oil, plus extra to serve
• 1 onion, finely chopped
• 2 celery stalks, diced
• 2 garlic cloves, finely chopped
• 1 smoked ham hock (about 900gm)
• 200 gm dried white beans, soaked overnight in cold water, drained
• 150 gm farro (see note), rinsed
• 1.3 litres chicken stock
• Finely grated parmesan and finely chopped flat-leaf parsley (optional), to serve