Low-Fat Mushroom Soup
["2 lb. fresh mushrooms, cleaned and thinly sliced", "1 medium onion, chopped", "2 Tbsp. fresh lemon juice", "2 cans fat-free chicken broth", "1/8 tsp. ground black pepper", "3 c. skim milk", "1/4 c. plus 2 Tbsp. cornstarch", "8 tsp. fat-free sour cream", "parsley sprigs"]
["Add mushrooms, onion, lemon juice, salt and pepper to chicken broth.", "Bring to boil.", "Cover; reduce heat to low.", "Simmer for 20 minutes, or until mushrooms and onion are very soft.", "Add cornstarch to the 3 cups skim milk; mix until no lumps remain. Pour into mushrooms; heat until soup thickens.", "Remove from heat. Serve with a dollop of sour cream for each serving and a sprig of parsley to garnish."]
["fresh mushrooms", "onion", "lemon juice", "chicken broth", "ground black pepper", "milk", "cornstarch", "sour cream", "parsley sprigs"]