- Wrap sliced porchetta in foil and put in a medium oven for 15 minutes until warmed through.
- Combine all the dressing ingredients in a large bowl.
- Add apples, cabbage and fennel and toss thoroughly to coat.
- Open the burger buns, brush cut sides with olive oil and grill in a hot pan, griddle or bbq until warmed through.
- Assemble sandwiches, or serve slaw, porchetta and buns separately and let everyone dig in.