Time: 10 minutes. You can make this ahead—the olives only get more flavorful.
Drain olives and discard brine. Using the back of a spoon, press each olive just hard enough to crack it open. Leave pit in.
Put olives in a small bowl and add remaining ingredients. Turn to coat. Serve right away or let marinate, chilled, up to 1 month.
Note: Nutritional analysis is per serving.
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