Take the meathead packet of pork belly and leave it in simmering hot water for 10 minutes.
Prepare the dressing with yogurt, mayonnaise, vinegar, sugar, salt and pepper.
Slice the apples in julienne. Mix the cabbage, onions and apples together.
Add the dressing and toss together. Adjust the salt and sugar as per taste.
Take the meathead out after 10 minutes. Open the packet and let it cool down a bit.
Slice the pork belly or shred it if you like.
Take the sandwich buns and halve them. Slather butter on both sides. Place the pork belly slices on on half of rach sandwich. Top with the apple slaw and place the other end of the bread to make a sandwich.
Serve the sandwiches with more slaw on the side.