The following recipe is based on one that I have in the following book ISBN 0-572-02807-5, its got some great recipes in it and well worth purchasing.
Half and deseed 8oz of green chillies and place in a jar. Warm 1/2 Pint of oil slightly and add 1 tbls paprika, 1 tsp turmeric, 1 tbls aniseeds, 1 tbls mustard seeds, 2 tbsl salt, then allow it to cool. Once cold pour over the chillies and cover with muslin and allow to stand 3 days in a warm place, stirring occasionally. Replace muslin with a lid and keep in a cool place for 2 weeks.