70 calories per 1/2 oz. Since 1950. Greek. DeLallo Feta Stuffed Olives are crisp green Greek olives generously filled with creamy, tangy feta cheese for a stunning harmony of briny, tart and tangy flavors. Ready to serve or plop into cocktails, these beloved gourmet bites are perfect for entertaining and pairing up with sharp cheeses, cured meats and other classic Greek mezze items. delallo Product of Greece.