Harira - Moroccan bean and lentil soup - Mezze

Ingredients

• 2 tablespoons extra virgin rapeseed oil
• 1 onion, finely chopped
• 1 1/2 teaspoons salt, divided
• 2 medium carrots, finely chopped
• 2 celery ribs, finely chopped
• 2 garlic cloves, crushed
• 2 tablespoons ras el hanout spice blend
• 1 cinnamon stick or ¼ teaspoon ground cinnamon
• 100g green/brown lentils
• 100g red lentils
• 500ml passata (see tips)
• 1.5 litres vegetable stock or water
• 1 tin chickpeas, drained and rinsed
• 100g orzo (or pasta)
• 30g fresh coriander
• 1/2 lemon, juiced