1Add pasta to a pan of salted boiling water and cook for 10 minutes.
2In a pan, mix oil, chilli flakes, smoked paprika, and let it heat over a medium heat.
3Add peppers, onions, and chicken; top with fajita seasoning and a splash of water. Cook for 4-5 minutes.
4Make a well, add another splash of water, Knorr chicken stock pot, and mix. Add crème fraîche and mix again; simmer for 4-5 minutes. Add half the grated cheese.
5Add the cooked pasta, mix, and simmer for another 4-5 minutes.
6Serve in bowls and top with the remaining grated cheese.