Tangy Mushrooms

1 container of fresh mushrooms, cleaned and left whole
2 cups beef or chicken stock
1/4 cup of balsamic vinegar
salt and pepper
1/2 tsp celery salt
1/2 cup orange juice



Put clean mushrooms in a saucepan, add other ingredients and bring to a boil. Continue to simmer with the lid off until liquid has reduced, thickened slightly and has become tangy and slightly sweet. Fifteen to twenty minutes?