Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  10            ounces  mushrooms       chopped fine
  1         tablespoon  unsalted butter
  1 3/4           cups  beef broth
     3/4           cup  water
  1 1/2    tablespoons  cornstarch
  1         tablespoon  soy sauce
  1         tablespoon  wine vinegar or fresh lemon juice
                        to taste
  2                     scallions       sliced thin

Preparation:

In a saucepan sautÈ the mushrooms in the butter over high heat, stirring, until the liquid the mushrooms give off is evaporated and stir in the broth and the water. In a small bowl whisk together the cornstarch, the soy sauce, and the vinegar until the cornstarch is dissolved and stir the mixture into the soup. Bring the soup to a boil, stirring, and simmer it for 5 minutes. Stir in the scallions and salt and pepper to taste and simmer the soup for 1 minute more. Makes about 3 cups, serving 2. Can be prepared in 45 minutes or less.

Nutritional Information:

260 Calories (kcal); 12g Total Fat; (40% calories from fat); 20g Protein; 19g Carbohydrate; 31mg Cholesterol; 3275mg Sodium