Panda Express Chow Mein Copycat

Bahan-bahan (2 porsi)

• 1 lb . (500g) yakisoba
• 3 -4 tablespoons oil
• 1/2 yellow onion (sliced)
• 8 oz . (230g) cabbage (sliced)
• 2 oz . (60g) celery (cut into small pieces)
• 2 tablespoons soy sauce
• 1 1/2 tablespoons oyster sauce