01 - Soak the rice noodles in warm water according to package instructions until just tender. Drain and set aside.
02 - In a small bowl, mix together soy sauce, oyster sauce, sesame oil, brown sugar, rice vinegar, and chili flakes. Set aside.
03 - Heat a large wok or skillet over medium-high heat. Add a splash of oil, then add garlic and onion. Stir-fry for 1 minute until fragrant.
04 - Add carrot, bell pepper, and snap peas. Stir-fry for 2–3 minutes until just crisp-tender.
05 - Add the drained rice noodles and bean sprouts to the wok. Pour over the sauce.
06 - Toss everything together for 2–3 minutes until the noodles are well coated and heated through.
07 - Remove from heat. Sprinkle with spring onions, cilantro, and sesame seeds. Serve with lime wedges.