Prepare the zucchini by slicing off the tips and removing the peel.
Use a spiraliser or a vegetable peeler to make long thin noodles then set aside.
Place the chicken in a medium sized bowl.
Season with the cajun seasoning,½ teaspoon black pepper and ½ teaspoon pink salt.
Wrap the bowl with saran wrap (cling film) and leave to infuse for several hours or preferably overnight.
Unwrap the bowl and preheat a large frying pan or skillet on medium heat with olive oil.
Sear the chicken, this will take 10-15 minutes.
During the given time, the meat may extract its own juices, if it does, carefully increase the heat to high while supervised to cook off the liquid which will lock in more flavour.
Add the bell peppers, mushrooms and cook for a few minutes.
Add the tomatoes and cook for another few minutes. At his point you can add a few tablespoons of warm water before proceeding with steaming however it shouldn't be needed.
Put the lid on the frying pan and leave to simmer for about 5-7 minutes or until the vegetables are tender.
Remove the lid then fold in the zucchini with the rest of the ingredients.
Do a taste test and add any additional black pepper, pink salt and cajun seasoning.