Special equipment: 12 bamboo skewers, soaked in water for 30 minutes
Mix the sesame seeds with salt.
Place the spring onions, lemongrass, sugar, black pepper, vegetable oil, fish sauce, honey, and oyster sauce in a mixing bowl and stir to combine. Add the pork, toss to coat, then cover and marinate in the refrigerator overnight.
Preheat a grill. Thread the pork onto bamboo skewers and char grill each side for 3 minutes.
Dip into sesame salt.