Steam broccoli until slightly crisp. Plunge into ice water and drain well.
In a large bowl, combine broccoli, orzo, water chestnuts, chicken, scallions, and red bell pepper.
Place all of the dressing ingredients in a blender and blend until homogenized. Pour over orzo mixture, tossing gently to coat. Cover and chill until ready to serve.
Steam broccoli until slightly crisp. Plunge into ice water and drain well.
In a large bowl, combine broccoli, orzo, water chestnuts, chicken, scallions, and red bell pepper.
Place all of the dressing ingredients in a blender and blend until homogenized. Pour over orzo mixture, tossing gently to coat. Cover and chill until ready to serve.