1: Heat a cast iron skillet over high heat and add 1 tablespoon of oil until shimmering.
2: Add the cubed chicken and season with salt and pepper. Reduce heat to medium and cook until chicken is cooked through, about 4 minutes.
3: Remove the chicken to a plate and add remaining oil.
4: Add broccolini, carrots, and peppers to the pan and cook for 2 minutes, stirring occasionally.
5: Add mushrooms and bok choy, cook for an additional 3 minutes.
6: Rinse the precooked noodles under hot water, drain, and set aside.
7: Whisk together soy sauce, stock, honey, brown sugar, ginger, garlic, and cornstarch.
8: Once veggies are tender, add chicken and noodles to the pan, pour in the sauce, and toss everything for 1-2 minutes.
9: Serve hot, garnished with green onions and sesame seeds.