Cabillaud en papillote Serves: 4 Ingredients 8 small waxy potatoes, sliced very thinly 16 cherry tomatoes, halved 16-20 black olives, pitted juice of 1 lemon 2 tbsp olive oil 1 dried red chilli, de-seeded and finely chopped 4 x 125g cod fillets 4 small sprigs fresh thyme 1 tsp sea salt, plus more to taste