Place sliced chicken in a medium ziplock bag and place the rest of the ingredients inside and marinate for 1-2 hours. Discard marinade and cook chicken on a non-stick skillet and cook on medium heat for 15 minutes.
Prepare the veggies and set aside. Cook the spaghetti according to packages directions and once pasta cooks, drain water and place pasta in a large glass bowl and drizzle 1-2 Tablespoons sesame oil and allow pasta to cool.
Prepare the peanut sauce and pour over the pasta and toss well. Add the veggies and toss well again. Sprinkle peanuts over salad. Refrigerate salad until ready to eat or eat immediately.