Make the marinade by processing the lemongrass, garlic, ginger, honey, fish sauce and oil in a small food processor - and place in a ziploc bag. Add the pork to the bag and marinate in the refrigerator for 30 minutes.
Make the dressing by combing the fish sauce, lime juice, palm sugar, soy sauce and chili in a small mason jar. Cover with a lid and shake to combine. Set aside.
Thread the pork onto metal skewers. Heat a grill to medium-high heat. Brush the skewers with oil and grill for 2-3 minutes per side. Place the peas, cucumber and noodles on a serving platter drizzle with the dressing. Top with the pork skewers and lemon balm to serve.