Make the Slaw
Prepare pickled vegetables at least 24 hours ahead: Heat 1 cup water, ½ cup rice wine vinegar, 1 tbsp sugar, and 1 tbsp salt in a saucepan until dissolved
In a jar, combine 1 cup shredded napa cabbage, 1 cup julienned radish, 1 cup julienned carrot, ½ sliced red chilli, and ½ tbsp peppercorns
Pour hot brine over vegetables, allow to cool, then refrigerate for 24-48 hours
Season the Pork
In a large bowl, combine 1 tsp paprika, 1 tsp garlic powder, ½ tsp onion powder, ½ tsp white pepper, ½ tsp dried rosemary, and a pinch of salt
Rub the spice mixture all over a 500g pork fillet
Sear pork on all sides before adding to the crockpot.
Cook the Pork
Add 1 sliced red onion, 2 minced garlic cloves, 1 tbsp soy sauce, 1 tbsp brown sugar, 1 tbsp honey, 1 can diced tomatoes, 2 tbsp apple cider vinegar, and 1 tbsp gochujang to the pork in the crockpot
Cook on high for 2-3 hours or low for 4-5 hours.
Finish the Pork/Make Dressing
While pork cooks, prepare sriracha mayonnaise by combining 2 tbsp sriracha, ½ cup mayonnaise, and a squeeze of lime juice
Release pressure, remove pork, and shred with two forks
Leave sauce in cooker to reduce slightly, then return shredded pork to soak up the flavors
Assemble!
Warm a large flour tortilla in a pan
Spread a generous dollop of sriracha mayonnaise on the tortilla
Layer fresh spinach leaves, shredded pork, and a scoop of pickled vegetables
Roll tightly and optionally toast in a skillet until golden
Serve whole or sliced, garnished with fresh radish, jalapeño rings, cilantro, and extra sriracha mayonnaise
