Hot And Sour Scallop Soup
["4 c. chicken broth", "1 c. mushrooms, sliced thinly", "1/4 c. bamboo shoots, sliced", "1/2 lb. sea scallops, sliced to 1/4 inch", "1 Tbsp. soy sauce", "1/3 c. green onion, thinly sliced", "1/4 tsp. white pepper", "2 Tbsp. cornstarch, mixed with 3 Tbsp. warm water", "1 egg, beaten", "3 Tbsp. rice or white wine vinegar"]
["Bring chicken broth, mushrooms and bamboo shoots to boil. Reduce heat, simmer 5 minutes.", "Add scallops, soy sauce and pepper and bring to boil.", "Slowly add cornstarch mixture and stir a few seconds until thickened.", "Stir soup briskly with chopstick or long handle of spoon; gradually pour in egg.", "Remove from heat.", "Stir in vinegar.", "Ladle into bowls and serve garnished with green onion."]
["chicken broth", "mushrooms", "bamboo shoots", "soy sauce", "green onion", "white pepper", "cornstarch", "egg", "rice"]