Put celery, onion tops, water ... hour. Then add asparagus, broccoli or cauliflower. Add mushrooms, pepper, onion salt, thyme, ... cream cheese. Never boil.
In 9 x 13-inch casserole put layer of asparagus (or broccoli). Cover with chicken ... Saute onions and mushrooms in butter. Add remaining ingredients ... bubbly. May be frozen.