Porteño hot sauce

1.Place all the ingredients in a large saucepan and bring to the boil over medium heat. Once boiling, turn down and simmer for 5 minutes. Remove from the heat, allow to cool a little, then put in a blender and process until smooth. Place the mixture in a container, then cover and leave in the fridge for 2 weeks so the flavours can develop.

2.Pass through a fine sieve, taste and adjust the seasoning to your liking (adding more salt or sugar if needed). Put into a bottle or jar and store in the fridge. It will keep for up to 3 months. Makes 630ml.