1. Put the chicken pieces in a pan and add the leeks and carrots.
2. Pour boiling water over the Major Chicken Stock Base Paste and pour over chicken and vegetables.
3. Bring to the boil then lower the heat, cover the pan and simmer for 30 minutes.
4. Add the pasta and simmer for a further 10 minutes or until the pasta is just cooked.
5. Stir in cornflour and milk and simmer for two minutes.
6. Stir in the parsley and season with pepper.