whisk together 2 Tbsp olive oil 1.5 - 2 Tbsp sugar (brown, white or palm) 5 - 6 dashes of white vinegar (or half - 1 lime, adjust to balance sweet and sour) a pinch of salt freshly ground pepper few dashes of chilli flakes , to taste 1 spring onions, finely chopped - green part only few leaves of parsley, finely chopped