Zucchini Casserole - cooking recipe

Ingredients

4 c. zucchini, sliced thin
3/4 c. carrots, grated
1/2 c. onion, chopped
4 Tbsp. butter
1 can cream of chicken, celery or mushroom soup
1/2 c. sour cream
1 1/2 c. croutons
1 cup cooked diced chicken (if desired)

Preparation

Put first four ingredients in casserole and microwave about 10 minutes until tender but not mushy.
Add rest of the ingredients and microwave another 10 - 15 minutes.
More croutons can be added on top if desired.