Marinate chicken and celery in French dressing for 1 hour.
Combine chicken, celery, 1/2 cup grated cheese and almonds. Blend sour cream, mustard and salt. Pour over chicken and toss to blend. Put into baking dish.
Combine potato chips, remaining grated cheese and put on top of chickenmixture. Bake for 30 minutes at 300° F or until heated through.
Servings: 4