1. Sweat the red onion and garlic in a thick-based pan with the vegetable oil for ten minutes on a medium heat.
2. When softened add the pepper and fajita spice mix.
3. Mix and cook gently for 5 minutes.
4. Add all the remaining ingredients and simmer for 1 hour. If too dry and thick add a splash of water.
5. Serve with the rice and garnish with some fresh coriander leaves and yoghurt.