Put pre-cooked rice and barley in a medium to large mixing bowl. (Follow instructions on package.)
Cut your carrots, celery and broccoli into 1/4 inch pieces.
Chop your walnuts to desired size. (I like to toast mine first for more flavor, but you don't have to.)
Dress salad with 3-4 TBS dressing, or as much as you like.
Finish with a little salt and pepper and you're set. Mix gently until well blended.