¼ red chilli, finely chopped (optional)
2 garlic cloves, finely chopped
2 garlic cloves, unpeeled and crushed
400g/14oz small new potatoes, scrubbed and cut in half
handful fresh flatleaf parsley, finely chopped
4 rosemary sprigs
400g/14oz baby plum tomatoes, halved
20²µ/¾´Ç³ú capers
10 pitted black olives
salt and freshly ground black pepper
2 tbsp extra virgin olive oil
6 tbsp olive oil
pinch dried oregano
sea salt
4 mackerel fillets (about 500g/1lb 2oz in total), either skinned or skin-on