Mix the diced avocado, red chilli dice, coriander and lime juice and place in the fridge till ready to serve. Discard the very outer leaves of the iceberg, with the next layers carefully remove keeping them in one piece, rinse in ice-cold water and set aside in the fridge till ready to serve
Sprinkle half the fajita seasoning over the Cod and half on the sliced onions and peppers
Heat a little bit of oil in a large nonstick pan over a medium heat and add the seasoned cod and cook for 3-4 minutes and turn, cook for a further 3-4 minutes, once cooked carefully remove the cod from the pan, wipe the pan clean and heat a little oil over a high heat, once hot add the onions and peppers and fry until softened, Add the cod back to the pan with the veg and gently mix through the veg, gently allowing the cod to break up and mix through, serve in a large serving bowl.
Heat a little bit of oil in a large nonstick pan over a medium heat add the cod and cook for 3-4 minutes and turn, add in the diced brown onion and cook for a further 2-3 minutes.
Add the sauce to the pan along with the spinach and continue cooking until the sauce reaches a gently simmer and spinach has wilted, while waiting for this, heat the rice and naan bread according to on-pack instructions,
Once the sauce is hot and the spinach wilted, divide the rice between two plates, place the cod on top of the rice and spoon over the remaining sauce, garnish with chopped coriander and sliced spring onions just before serving