Dieter'S Egg Drop Soup
["2 cans chicken broth", "1 (4 oz.) can sliced mushrooms or 1/2 c. fresh (optional)", "1 scallion with tops, finely chopped", "1 egg per can of chicken broth", "soy sauce to taste"]
["Bring chicken broth to a boil.", "Add mushrooms and scallion. Beat egg.", "Then pour slowly so eggs form shreds.", "Add soy sauce to taste."]
["chicken broth", "mushrooms", "scallion", "egg", "soy sauce"]