Zucchini Casserole

6 c. peeled & diced zucchini
1 c. sliced carrots
1 onion, chopped
--Place all in a pot with water. Bring water to boil, covered. Boil 10-15 minutes. Drain.
Meanwhile Combine:
1 c. sour cream
1 can cream of mushroom soup
1 square (1/2 c.) butter
--Heat on low, stir until well blended then pour over drained vegetables.

Prepare one large box (or 2 small boxes) of Stove Top stuffing. Use 1/2 the stuffing in the bottom of a 9x13 pan. Pour vegetables over stuffing and top with remaining stuffing.
Bake 350* for 30 minutes. Top with grated cheddar cheese (1 -1 1/2 cups)