Boil pasta for 5 to 7 minutes according to package directions, addingsalt to taste if desired. Remove from heat, drain and set aside.
In a bowl, combine soy sauce, broth and brown sugar. Stir, mix well and set aside.
Dissolve the cornstarch in 1/4 cup water. Stir, mix well and set aside.
Heat a pan or large skillet over high heat; add the cooking oil; add the garlic and ginger; cook, stirring until fragrant for about 15 seconds.
Add the soy sauce, broth and sugar mixture; bring to a boil. Reduce heat to medium and cook for 1 minute.