1 long red chilli, seeds removed and finely chopped, or ½ tsp dried chilli flakes, to taste
2 garlic cloves, crushed
20g/¾oz fresh flatleaf parsley, tough stalks removed and leaves finely chopped
ground black pepper
125ml/4fl oz extra virgin olive oil or mild olive oil
1 tbsp fresh oregano leaves, finely chopped, or 1 tsp dried oregano
2 tbsp red wine vinegar
½ tsp flaked sea salt or ¼ tsp fine sea salt