01 - Cook noodles according to package instructions. Drain, rinse with cold water, and set aside.
02 - Toss sliced chicken with cornstarch and 1 tbsp soy sauce in a medium bowl until evenly coated.
03 - Heat 1 tbsp oil in a large skillet or wok over medium-high heat. Add chicken and stir-fry until golden and cooked through, 4–5 minutes. Remove and set aside.
04 - Add bell pepper, carrot, and snap peas to the same pan. Stir-fry for 2–3 minutes until crisp-tender.
05 - Lower heat to medium. Add garlic, ginger, and chili flakes; stir for 30 seconds until fragrant.
06 - Add soy sauces, honey, brown sugar, rice vinegar, oyster sauce, and sesame oil. Bring to a simmer.
07 - Return chicken and noodles to the pan. Toss everything for 2–3 minutes until evenly coated and glossy.
08 - Top with scallions and sesame seeds. Serve immediately.