Zucchini Casserole - cooking recipe

Ingredients

6 c. sliced zucchini
1/2 c. sliced onion
1 c. shredded carrots
1 can cream of chicken soup
1 c. sour cream
6 oz. pkg. chicken flavor Stove Top dressing mix
1/2 c. melted butter

Preparation

So I substituted rice.