For dressing, in 1-pint jar with tight-fitting lid, combine 3/4 cup vegetable oil, lemon juice from concentrate, cheese, 2 teaspoons boullion, sugar, oregano, garlic and black pepper; shake well. In large skillet, cook and stir chicken strips in remaining 1 tablespoon oil and 1 teaspoon boullion until browned and tender. In large bowl, combine chicken, dressing mixture and remaining ingredients except lettuce; mix well. Cover; chill. Serve on lettuce. Garnish as desired. Refrigerate leftovers.