1Slice enough mushrooms to measure 1 cup. Chop remaining mushrooms.
2In 3-quart saucepan, melt butter over medium heat. Cook sliced and chopped mushrooms in butter about 10 minutes, stirring occasionally, until mushrooms are golden brown. Sprinkle with flour and salt. Cook, stirring constantly, until thickened.
3Gradually stir in whipping cream and broth; heat until hot. Stir in sherry. Sprinkle with pepper.