In a large skillet, cook beef over medium heat until no longer pink; drain. Add the contents of one ramen noodle flavoring packet; stir until dissolved. Remove beef and set aside. , In the same skillet, combine the water, vegetables, ginger, noodles and contents of remaining flavoring packet. Bring to a boil. Reduce heat; cover and simmer for 3-4 minutes or until noodles are tender, stirring occasionally. Return beef to the pan and heat through. Stir in onion.,