1 tbsp fennel seeds
½ tbsp dried sage
1 tbsp sea salt
2.5 kg British free-range pork belly, bone-in, skin scored (ask your butcher to do this for you)
2 onions, thickly sliced
2 bramley apples, peeled and thickly sliced
4 carrots, halved lengthways
Olive oil for roasting
500ml chicken stock
300ml dry white wine, plus a splash to serve
For the salsa
½ red onion, thinly sliced
3 tbsp red wine vinegar
Zest and juice 1 lemon
1 tbsp caster sugar
2 large bunches soft fresh herbs (such as mint, chives, coriander, parsley or basil), leaves picked and roughly chopped