Wash and dry 1 cucumber. Without peeling it, cut it into small pieces and put it in a colander. Mash it with the back of the spoon so that it loses the vegetation water. Wash, dry and chop a few mint leaves. Pour 200ml of Greek yogurt into a bowl, combine the crushed cucumber, salt, pepper and mint. Mix well to mix everything, finally add a spoonful of extra virgin olive oil.