1 lb. mature mushrooms, diced
1/2 c. diced celery
1/2 c. diced carrots
1/4 c. diced onion
3 c. water
Rich chicken or beef stock
Salt & pepper to taste

Cover mushrooms, celery, carrots and onion with water in 2 quart saucepan. Simmer partially covered for about 45 minutes. Add stock to make 6 cups of liquid. Add salt and pepper to taste. Heat through.