Zucchini Casserole

With shredded carrots and onions, this zucchini casserole is rich and satisfying.

Ingredients
4 to 6 C. zucchini, cubed and cooked
¾ C. shredded carrots
½ C. chopped onions
6 Tbs. butter
2 ½ C. Cheddar cheese croutons
1 (10 ¾ oz.) can cream of chicken or mushroom soup
½ C. sour cream

Directions
Cook zucchini and drain. Sauté carrots and onions in 4 Tbs. butter until tender. Remove from heat; stir in 1 ½ C. croutons, soup and sour cream. Gently stir in zucchini. Pour into 1 ½ quart casserole. Melt remaining butter and stir in remaining croutons; toss gently. Top the casserole. Bake at 350 degrees for 30 to 40 minutes