500g/1lb 2oz fresh Brussels sprouts, shredded in a food processor
1 lemon, juice only
1 lemon, zest only
salt and freshly ground black pepper
100g/3Β½oz fresh breadcrumbs
180g/6oz pack ready-to-eat chestnuts, roughly chopped
2 tbsp olive oil
large knob of butter or 2 tbsp olive oil
200g/7oz bacon lardons, or sliced streaky bacon