Step 1

Preheat oven to 350°F.

Step 2

In a large mixing bowl, combine zucchini, butter, onions, carrots, cream of mushroom soup, and sour cream. Mix well. Add 1⁄2 of the bread crumb stuffing and mix well.

Step 3

Spray nonstick cooking spray into casserole dish. Pour zucchini mixture into casserole dish.

Step 4

Mix remainder of bread crumb stuffing with melted butter. Sprinkle top of casserole with bread crumb mixture and Parmesan cheese.

Step 5

Bake for 30 minutes or until golden brown. Serve hot.