In a large skillet cook ... Add the chopped mushrooms and cook mixture, stirring, for ... whisking. Bring the soup to a boil over moderate ... made ahead and reheated.
Melt butter in a medium ... celery, carrots, and mushrooms and cook until tender. Stir ... constantly until mixture boils. Season with salt and pepper.
In large skillet, cook green ... tender. Add sliced mushrooms; cook mixture, stirring for ... Add seasonings. Bring soup to a boil over a ... stirring for 5 minutes.