Marinate: Combine the pork slices with all marinade ingredients. Let it sit for at least 15 minutes to absorb the flavors.
Skewer: Zigzag the thin pork slices onto bamboo skewers, folding them over several times to ensure they stay secure.
Air Fry: Place in a single layer (do not overcrowd!). Air fry at 380°F for 12 minutes, flipping halfway through. For that "charcoal grill" finish, increase to 390°F for the final 2 minutes.
Cook Noodles: Boil the "Bún" for 8–9 minutes until bouncy. Rinse in cold water and drain thoroughly to prevent sogginess.
Assemble: In a large bowl, lay down a bed of lettuce and herbs. Add a generous swirl of noodles, then top with the hot grilled pork (on or off the skewer).
The Finish: Top with scallion oil, pickles, and peanuts. Pour Nước Chấm over everything and toss gently.