Squash Casserole
["3 lb. squash", "1 large onion*", "2 carrots, grated", "1 can cream of chicken soup", "1 pt. sour cream", "1 pkg. Pepperidge Farm herb dressing", "1 stick margarine"]
["*Chop and cook onion with squash until done; drain and cool."]
["squash", "onion", "carrots", "cream of chicken soup", "sour cream", "herb dressing", "margarine"]