Soak noodles in cold water for 2 minutes. Drain. Soak in boiling hot water for 3 minutes. Drain. Use chopsticks to separate the noodles well. (if you are using thicker noodles than pictured above, read the directions on the package for soaking times)
Fry the aromatics In wok or large saute pan, heat about 3 tablespoons butter over medium-low heat. Before the butter gets too hot, add the scallions and garlic. Fry until fragrant, but careful not to let it burn. Slowly frying on med-low heat will flavor the butter. Add brown sugar, fish sauce and oyster sauce. Stir.
Fry the noodles</span>: Add the drained noodles. Fry for 2 minutes until the noodles are done. If you are using the thicker noodles - adjust cooking time. Read instructions on the noodle package.