Squash Casserole

Ingredients

• 2 lb. squash, cooked and drained
• 2 carrots, grated
• 1 onion, chopped
• 1 can cream of chicken soup
• 1 small jar pimento
• 1 (8 oz.) sour cream
• 1 pkg. stuffing mix
• 1 stick margarine
• 1 can water chestnuts
• salt and pepper