They do these olives at my favourite tapas place too. This recipe is based on this one: http://spanishfood.about.com/od/tapas/r/olivesmadrilene.htm Prep time includes marination time.
Rinse the olives in cold water and allow them to drain.
Place olives in a bowl.
Wash and trim scallions and put in bowl with olives.
Dress with olive oil, vinegar and salt to taste, making sure olives are covered. Ratio of oil to vinegar is about 2:1. Stir well.
Sprinkle with paprika, oregano and chopped garlic. Mix thoroughly.
Marinate for an hour before serving.
Enjoy with fresh bread and other tapas.
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