Bring a large pot of salted water to a boil. Refer to package directions, and cook the spaghetti a minute short of al dente. Drain the pasta and set aside.
12 oz. spaghetti noodles
In a bowl, whisk together the sauce ingredients.
½ cup soy sauce, ½ cup chicken broth, 2½ tbsp brown sugar, 2 tbsp rice vinegar, 1 tbsp chili garlic sauce, 1 tbsp cornstarch, 1 tsp sesame oil, dash of salt and pepper
Season the chicken with salt and pepper.
20 oz. boneless skinless chicken breasts, ½ tsp salt, ¼ tsp pepper
Add the oil to a large skillet or wok over medium-high heat. Stir fry the chicken until browned on all sides and cooked through. Add in the garlic and cook for a minute. Remove from the chicken from the pan and set aside on a clean plate.
2 tbsp vegetable oil, 2 cloves garlic
Add the sauce to the skillet over medium high heat. Once it starts to sizzle and thicken, add in the pasta, stirring to coat it in the sauce. Add in chicken, peanuts, and green onions and toss it all together until combined.
½ cup roasted peanuts , 3 green onions
Sprinkle with more peanuts and chopped green onion before serving.