Spinach and Quinoa Soup with Yoghurt and Pickled Chillies

Ingredients

• 2 tbsp olive oil
• 1 onion, finely chopped
• 3 garlic cloves, crushed
• 1 tsp ground coriander
• 1 litre (4 cups) chicken stock
• 900 gm (about 3 bunches) English spinach, trimmed and washed, plus extra baby leaves (optional) to serve
• 80 gm white quinoa
• To serve: natural yoghurt and pickled chillies