Ota Ika (Tongan Raw Fish in Coconut Cream)
Tonga's signature dish: sashimi-grade fish cured briefly in lime, drained, then dressed with coconut cream and vegetables. The lime juice has to be poured off before the cream goes in or it splits, and 15–20 minutes of curing keeps the centre translucent and tender.
Ingredients
- White fish · sashimi-grade only — snapper, halibut or tuna in 1.5 cm dice500 g
- Lime or lemon juice · enough to cover the fish150 ml
- Coconut cream · cream, not milk — see the tips250 ml
- Salt · at the end only
- Vegetables
- Tomatoes · deseeded and diced; the seeds make it watery2
- Red onion · finely chopped0.5
- Cucumber · deseeded and diced0.5
- Spring onions2
- Hot chili · finely chopped; Tongans are generous with it1
- To serve
- Toasted bread · or served in a coconut shell
Steps
- ⏲ 10 min
Dice the sashimi-grade fish into 1.5 cm cubes and keep it cold — nothing here is cooked with heat, so freshness is everything.
- ⏲ 20 min
Pour the lime juice over to cover and refrigerate just 15–20 minutes. You want the outside turned opaque and the centre still translucent. Left for hours the flesh goes dry and tough.
- ⏲ 2 min
Drain the lime juice off completely. Add coconut cream with the acid still in there and the cream splits, leaving a watery pool. This is the most common way ota ika fails.
- ⏲ 8 min
Deseed and dice the tomato, deseed and dice the cucumber, finely chop the red onion, and slice the spring onion and chili.
- ⏲ 3 min
Fold the coconut cream through the drained fish, then fold in the vegetables. Salt now — earlier and the vegetables weep.
Serve cold, immediately, with toasted bread or in a coconut shell. It waters out if it sits, so it goes from bowl to table.
Tips & Variations
Variations
- The same dish across the islands: Fijian kokoda, Samoan oka i'a, Cook Islands ika mata and Tahitian poisson cru are all cousins — same lime-and-coconut-cream backbone, different vegetables.
- With tuna: Tuna keeps a red colour, as in the photo above, and is softer than white fish.
- Hotter: Tongans use a good amount of chili, which balances the sweetness of the coconut cream.
- With papaya: Some households shred in green papaya for extra crunch.
- Pressing your own coconut cream: Grate fresh coconut, add a little warm water and squeeze — the first pressing is the cream. It smells nothing like tinned.
Tips
- Use sashimi-grade fish, full stop. Lime acid denatures the surface; it does not make fish safe. This is effectively raw fish, so buy what you'd eat raw, not fish meant for cooking.
- Drain the lime juice before the coconut cream goes in. That order is the crux of the dish. Acid meeting coconut cream splits it into a thin pool.
- Cure for 15–20 minutes only. Same principle as ceviche, but shorter — the translucent centre is what keeps it tender.
- Coconut cream, not coconut milk. Milk is too thin to cling to the fish. Chilling a tin of coconut milk and skimming the set top layer also works.
- Deseed the tomato and cucumber. Their seeds release water and the bowl floods within minutes.
- Salt at the end, serve immediately. This is not a make-ahead dish.
- In Tonga it's a fixture at feasts and Sunday meals, served from one big bowl for everyone.
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