Rub the pork neck fillet with spice and sprinkle with salt and pepper, wrap it up. Refrigerate for 10-12 hours.
Mix all the coleslaw ingredients.
Grill
Set the grill to 105° C.
Unwrap the meat and place it directly on the grill rack. Grill it to a core temperature of 90° C for about 12 hours. Pull it apart, pour apple juice, salt, and pepper over.
Toast the durum buns on the grill rack.
Assemble
Spread BBQ sauce on both the top and bottom of the bun.