In a bowl, combine daikon radish, carrots, rice vinegar, water, sugar, and salt. Mix well and let sit for at least 30 minutes, or until slightly softened.
In a separate bowl, combine fish sauce, soy sauce, honey, garlic, and black pepper. Add the sliced pork and toss to coat. Marinate for at least 30 minutes, or preferably overnight for deeper flavor.
Heat a grill pan or skillet over medium-high heat. Add the marinated pork and cook for 3-4 minutes per side, or until browned and cooked through. Set aside.
Slice the baguette lengthwise, creating a pocket for the fillings. You can toast the baguette halves slightly for extra crispiness, if desired.
Slice the baguette lengthwise, creating a pocket for the fillings. You can toast the baguette halves slightly for extra crispiness, if desired.
Add the cooked pork, pickled vegetables, fresh cilantro, cucumber slices, jalapeño slices (if using), and chopped green onions (if using).