Title: Fresh mushroom bisque
 Categories: Soups
      Yield: 4 servings
 
      3 tb Butter
      1 lb Mushrooms - sliced
      3 tb All-purpose flour
      4 c  Half and Half
      1    Egg yolk - beaten to blend
      2 tb Lemon juice
           Salt and pepper
 
  Melt butter in heavy large saucepan over medium heat.  Add mushrooms
  and saute until soft, about 4 minutes.  Add flour and stir for 2
  minutes. Slowly mix in Half and Half.  Simmer until thickened,
  stirring frequently, about 4 minutes.  Combine yolk and lemon juice
  in small bowl. Gradually whisk in half of soup.  Return to saucepan
  and stir until heated through; do not boil.  Season generously with
  salt and pepper.
  
  Serves 4.
  
  Recipe