Baked Chicken, Cream of Mushroom and Rice

I remember this recipe as a child.
I hope I've re-created it here.

Ingredients:
1 can cream of mushroom soup
1/3 cup sour cream
1 cup chicken broth
2 tsp. dry onion flakes
1/2 tsp. dry celery flakes
1/2 cup cut green beans
2 cups sliced fresh mushrooms
4 boneless skinless cooked chicken breasts
Salt and black pepper to taste
3 1/2 cups cooked rice
1 tsp. parsley flakes
1 cups crushed, baked potato chips

Directions:
Preheat oven to 350 degrees.
In large bowl, combine
cream of mushroom soup and sour cream.
Using a whisk, mix in the chicken broth.
Stir until completely smooth and mixed thoroughly.
Stir in onion flakes and celery flakes.
Fold in green beans and mushrooms.
Add the pieces of cooked chicken breast
and season with salt and pepper.
Spray a 9x13-inch casserole dish
with nonstick cooking spray.
Pour cooked rice into baking dish
and spread rice to cover bottom of dish.
Carefully pour mushroom soup mixture
evenly over the rice.
Sprinkle parsley flakes
over the top and then sprinkle potato
chips over the entire top of the casserole.
Bake in 350 degree oven for
25-35 min. Remove and serve warm.