In a large saucepan of boiling water, cook the pasta as per packet instructions. Drain and set aside.
In the meantime, heat 1 tbsp of oil in a frying pan and add the onions and peppers and cook until the onions and peppers begin to soften. Remove and set aside.
Add the remaining oil and fry the chicken until cooked. Return the peppers and onions to the pan.
Add the seasoning and tomato puree and stir for a few mins, ensuring all the chicken, onions and peppers are coating.
Add the stock and bring to a gentle boil and simmer for around 5mins.
Stir in the cream cheese and cheddar, stirring continuously ensuring all the cheese and melted and the sauce is creamy.
Serve immediately with some salad and garlic bread.