This will take the chill off any winter’s day.
Melt butter in soup kettle. Saute mushrooms and onion until tender. Sprinkle in flour and stir until blended. Slowly add stock, stirring until mixture thickens. Add potatoes, Worcestershire sauce, and lemon juice and simmer, partially covered, 20 minutes or until potatoes are tender. Season with salt and pepper to taste. Garnish with chopped chives.