·      2 tsp olive oil
·      1 large shallot, finely chopped
·      2 garlic cloves, crushed
·      ¼ tsp chilli flakes
·      250g cherry tomatoes, halved
·      200ml vegetable stock
·      50g pitted black olives, halved
·      150g linguine
·      150g mackerel fillets
·      30g basil, leaves chopped, plus extra to garnish
1.   Bring a large pan of salted water to the boil. Meanwhile,heat the oil in a large frying pan and gently fry the shallot for 5 minutesuntil softened. Stir in the garlic and chilli and cook for a further 1-2 minutes until fragrant.
2.   Add the cherry tomatoes and cook briefly over a high heat until they start to soften, then pour in the stock. Add the olives and bubble for 8-10 minutes until you have a rough, pulpy sauce.
3.   Meanwhile, cook the linguine according to pack instructions. Towards the end of this time, flake the mackerel into large pieces and add to the sauce. Cook over a gentle heat for 2 minutes to heat through.