Heat Wok or large skillet over medium high heat. Cut chicken into medium cubes or slices. Season with a pinch of salt and pepper.
Add a bit of sesame oil to the skillet. Add chicken, cook fully and remove from heat.
Prep the vegetables. Add sliced onions to the skillet along with the minced garlic. Cook until soft and add both cabbages along with the shredded carrots. Cook through leaving a bit of crunch. Season with a bit of salt and ¼ tsp. ground ginger. Remove from heat.
With the vegetables removed, add two cups of chicken broth, 2 TBS soy sauce and 2 TBS oyster sauce. Mix until combined and bring to a simmer. Add 8 oz of rice noodles, gently tossing to allow the noodles to soak in the liquid.
Add 8 oz of rice noodles, gently tossing to allow the noodles to soak in the liquid. It will take approximately 3-4 minutes for the noodles to soak in the liquid and become soft.
Once the noodles are soft, top with half the chicken and vegetable mixture. Combine.
Transfer to a serving dish and top with remaining chicken and vegetables along with the green onions.