Cook noodles according to package. Set aside

In a large skillit, on medium heat, heat sesame oil, garlic, and red pepper flakes until fragrant. Set aside.(the amount of red pepper flakes you use determines the heat)

In a bowl, mix hoisin, soy sauce, honey, peanut butter and rice vinegar. Set aside.

In same skillet heat 2 tbsp of the sesame oil, heat onion for a few minutes, add chicken, salt and pepper and cook thru. Add 1/2 soy sauce mixture and cook until chicken is coated. Pour 2 more tbsp of sesame oil over it.

In pot noodles were cooked in, heat broth, 1/2 the soy sauce mixture until simmering. Add spinach.

To serve, in a large bowl, ladle some broth, put in noodles, then chicken mixture, and top with the rest of the sesame oil. Garnish with green onion, and sesame seeds.