1
Remove the tough outer layer of the fennel and cut the inside layers into thin slices. Set the fennel fronds to one side.
2
Boil the pasta in salted water while everything else cooks.
3
Fry the garlic and fennel with some olive oil (can use from the mackerel can) in a pan until the fennel has softened.
4
Then add the mackerel in chunks along with the chilli flakes, olives, lemon juice and green beans. Cook for a few minutes until the green beans have softened.
5
Generously season with salt and pepper before adding the cooked pasta along with some pasta water, the parsley and the fennel fronds (finely chopped). Stir until everything is nicely combined.
6
Top with more parsley, chilli flakes and a squeeze of lemon and enjoy.