Matu Rori (Cook Islands Sea Cucumber with Garlic, Onion, and Butter)

Ingredients

Equipment Needed

• •Wide 12-inch skillet with lid
• •Small stiff brush for cleaning the rori
• •Colander for repeated rinsing

Instructions

1. 1

   Respect the reef

   Use only sea cucumber gathered legally and locally, from a place open to harvest. If there is a rāhui, a customary closure or restriction, you leave it alone. The reef is not a store shelf. It is a living relative, and the first seasoning is restraint.

2. 2

   Clean the rori

   Split the rori lengthwise if it has not already been cleaned, remove the inner tract, and rinse under cool running water until the water runs clear and the sea smell is clean, not sour. Rub with the coarse salt, rinse again, and repeat if it still feels slick in a dirty way. Good rori should smell like the lagoon, not rot.

   If you are new to this, ask a Cook Islands elder or experienced gatherer to show you the cleaning once. Some knowledge is better learned at a table or tide pool than from words.
3. 3

   Slice for tenderness

   Cut the cleaned rori into bite-size strips or thick half-moons. If the pieces feel very firm, simmer them in plain water for 10 to 15 minutes, then drain. You want a springy chew, not a fight with your teeth.

4. 4

   Sweeten the onion

   Melt the butter in a wide skillet over medium heat. Add the onion and cook until it softens, shines, and starts to smell sweet, 5 to 7 minutes. Let the onion do its work slow. Burnt onion makes the whole pan bitter.

5. 5

   Add garlic

   Stir in the garlic and chile if using, and cook just until fragrant, about 30 seconds. Garlic goes from sweet to sharp fast, so keep it moving. No need make drama in the pan.

6. 6

   Cook the rori

   Add the sliced rori and toss it through the butter, onion, and garlic until every piece is glossy. Pour in the water or light fish stock, cover, and cook 8 to 10 minutes, stirring once or twice, until the rori is tender, sea-scented, and lightly coated in a buttery sauce.

7. 7

   Finish and serve

   Uncover and cook another minute or two if the pan is watery, until the sauce clings with a salty sheen. Taste before adding more salt, because the rori carries the reef already. Finish with lime if you want brightness, scatter the green onion over, and serve with cooked taro, breadfruit, or rice for the whole table.

Chef Tips

• •Freshness is everything. Rori should smell clean and marine, like reef water and almost nothing else. If it smells sour, harsh, or rotten, no cook it. Throwing out unsafe food is not waste, it is sense.
• •Do not gather sea cucumber where harvest is restricted. In many Pacific islands, sea cucumber has been over-taken for export, so local rules and local elders come before appetite.
• •Butter is the modern pantry talking, and that's fine. The islands eat now too. If butter is not your table, use coconut oil, but keep the Cook Islands hand clear and don't pretend it is the older form.
• •Serve it with something plain and grounding: taro, breadfruit, or rice. The rori is salty and rich, so the starch gives it a place to land.
• •If the texture is new to your guests, cut the rori smaller and cook it with extra onion. Bravado helps, but kindness at the table helps more.

Advance Preparation

• •Clean the rori the same day you cook it, then keep it cold and covered until the pan is ready.
• •You can slice the onion and garlic a few hours ahead and refrigerate them separately.
• •Cooked matu rori is best eaten right away. Leftovers can be chilled for one day and rewarmed gently over low heat so the rori does not toughen.

Frequently Asked Questions

Nutrition Information

1 serving (about 320g)