01 - In the crockpot, whisk together the soy sauce, chicken broth, hoisin sauce, oyster sauce, honey, sesame oil, ginger, garlic, and red pepper flakes until well combined.
02 - Add the chicken pieces to the sauce mixture and toss thoroughly to ensure even coating.
03 - Arrange the carrots, bell pepper, mushrooms, and most of the green onions over the chicken. Reserve the snow peas and a handful of green onions for later addition.
04 - Cover and cook on LOW setting for 3 1/2 hours, allowing the chicken to become tender and flavors to develop.
05 - After 3 1/2 hours, add the reserved snow peas to the crockpot and stir gently.
06 - Meanwhile, cook the lo mein noodles or spaghetti according to package instructions in a medium pot. Drain well and set aside.
07 - Stir the cooked noodles and reserved green onions into the crockpot. Toss gently to combine all ingredients with the sauce.
08 - Cover and let sit on WARM setting for 15–20 minutes, allowing the noodles to absorb the sauce and flavors to meld.
09 - Serve hot, garnished with toasted sesame seeds and extra sliced green onions.