Jamaican salt mackerel simmered in reduced coconut milk until thick and saucy — a coastal Jamaican preparation where the coconut milk 'runs down' to create a rich, deeply flavored sauce.
Run down is the fish dish of Jamaican coastal communities — the kind of food that fishermen's wives made in the evening with the catch that wasn't sold. For Jamaican diaspora families from Portland, St. Thomas, or St. Mary parishes, run down is the food of the sea and the land simultaneously.
Mackerel is among the richest omega-3 fish sources — 2.3g per 100g, exceeding salmon per serving at comparable price. EPA and DHA from mackerel have the strongest evidence base for cardiovascular protection (AHA recommends 2 fatty fish servings per week for CVD prevention). Vitamin D from mackerel at 360 IU/100g is critical for Black American communities with documented epidemic-level vitamin D deficiency (up to 76% of Black Americans are deficient) — mackerel twice weekly can significantly impact deficiency. Selenium supports thyroid function — thyroid disorders are significantly underdiagnosed in Black women.
Soak salt mackerel overnight, boil and flake. Reduce full-fat coconut milk with onion, garlic, scotch bonnet, tomato, thyme until thick and oily. Add flaked mackerel and sliced plantain (green or ripe). Simmer 15-20 min until plantain is tender and flavors are integrated. Serve with boiled green banana or dumplings.
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