Preparation
Beat eggs until light. Cut shrimp into small pieces. In 1 T oil, saute onions, mushrooms and scallion for 1 minute. Add bean sprouts, shrimp; stir-toss. Add 1 T soy sauce, sugar; mix well. Place in wide bowl and cool. Beat in beaten eggs.
PANCAKES: In a wide skillet heat oil and ladle in 1/4 of the egg mixture to form omelets. Cook until eggs brown on one side; turn, brown other side.
SAUCE: Stir cornstarch into chicken broth to dissolve. Add soy sauce, ginger or mustard. Bring to boil, cook until thickens. Pour over eggs, serve with boiled or fried rice.