In a medium bowl,place oil,lemon juice,pesto sauce,egg yolk,seasoned salt and pepper.Whisk together until well blended.Reserve quarter cup mixture.Broil chicken breast halves on both sides until tender.Slice chicken,crosswise,unto 3 cm wide strips.Toss remaining oil mixture with hot cooked,drained pasta and zucchini.Arrange on a serving platter.Place chicken slices over pasta;sprinkle with pine nuts.Pour reserved oil mixture over salad.Serve immediately or chill.