steam potatoes until tender, place in large bowl and cool 15 minutes
whisk olive oil, thyme, oregano in small bowl. season with salt and pepper i double the dressing recipe
chop potatoes, pour half the dressing onto potatoes, let stand 1 hour or until dressing is absorbed mix in cheese and remaining ingrediants. salt and pepper to taste. can be made 2 hours ahead, better served at room tempature.