Cooking in
Oregon
Thai
Yam Som O (Pomelo Salad)
A preparation of pomelo segments separated into individual vesicles (the juice sacs broken apart from their connective membrane), tossed with coconut cream, roasted coconut, dried shrimp, fried shallots, fried garlic, roasted peanuts, fresh chilli, lime juice, fish sauce, and palm sugar. Yam som o is the most texturally complex of the Thai yam salads — the pomelo's individual vesicles burst on the palate with juice, the roasted coconut provides dry crunch, the fried shallot provides a savoury crispness, and the coconut cream provides creaminess without richness. Every element is distinct and separate; nothing softens or merges.
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Cook
I
The Market List
The benchmark for each ingredient, and who stocks it near you. Tap a stockist to go straight to the product.
1 large
Pomelo
peeled, segmented, membranes removed, vesicles separated by hand
Your own market
80 ml
Coconut cream
Not yet stocked in Oregon
40 g
Roasted coconut
dry-roasted until golden
Origin · Sri LankaNot yet stocked in Oregon
30 g
Dried shrimp
Origin · VietnamNot yet stocked in Oregon
40 g
Shallots
finely sliced, fried in neutral oil until deep gold, drained on paper
Your own market
20 g
Garlic
finely sliced, fried in neutral oil until deep gold, drained on paper
Your own market
40 g
Roasted peanuts
roughly crushed
Your own market
2
Fresh chilli
sliced
Not yet stocked in Oregon
30 ml
Lime juice
freshly squeezed
Your own market
30 ml
Fish sauce
Your own market
20 g
Palm sugar
shaved or grated
Origin · IndonesiaNot yet stocked in Oregon
500 ml
Neutral oil
for frying shallots and garlic
Not yet stocked in Oregon
II
The Method
1
Peel the pomelo and divide into segments. Strip the thick outer membrane from each segment entirely — that membrane is dense, chewy, and intensely bitter, and even a small remnant will overpower the fruit's more delicate bitter-sweet balance. Working over a bowl, pull each segment apart by hand — or coax it gently with a fork — separating it into its individual juice vesicles. The goal is loose, discrete vesicles with no clumped or compressed pieces. Each vesicle, tasted alone, should hold a full charge of the pomelo's bitter-sweet juice and burst cleanly on the tongue.
2
Fry the sliced shallots in neutral oil over a moderate heat, stirring steadily, until deep gold throughout — moderate heat is essential here, as high heat browns the exterior while leaving the interior raw and sharp, producing bitterness rather than sweetness. Lift out with a slotted spoon and drain flat on paper. In the same oil, fry the sliced garlic until deep gold. Drain separately on paper — shallots and garlic are kept apart at this stage because their different thicknesses mean one would be over-fried before the other is ready, and commingling them makes it impossible to judge each correctly. Both must be fully dry and audibly crisp; any residual oil will cause them to soften rapidly.
3
Combine the lime juice, fish sauce, and palm sugar, and stir until the sugar is fully dissolved — undissolved palm sugar will sink and pool, delivering uneven bursts of sweetness rather than the seamless equilibrium the dressing requires. Taste: the dressing should carry equal weight of sour, salt, and sweet, with no single note dominant.
From the canon — Fish sauce — nam pla — is the universal salt of the Thai kitchen. Fish Sauce (Nam Pla): Selection and Use →
4
Place the separated pomelo vesicles in a large bowl. Add the coconut cream and turn gently so each vesicle is lightly coated without being crushed — the coconut cream forms a thin, unctuous film around each vesicle that tempers the acidity of the dressing and prevents it from penetrating too sharply into the fruit. Pour the dressing over and fold once more. Add the dried shrimp, roasted coconut, roasted peanuts, and fresh chilli, and fold briefly. Every element must remain distinct and separate — nothing should soften or merge into the others. This is where the dish lives or dies: compress the vesicles or overdress the salad and the defining textural integrity is lost.
5
Transfer to a serving plate. Scatter the fried shallots and fried garlic over the surface at the very last moment before service — they begin to lose their crispness within ten minutes of contact with the dressed salad. The finished plate should show visibly separate vesicles, flecks of gold shallot and garlic, and no pooling of liquid.
III
Quality Hierarchy
01
Reserve — A large, thick-skinned pomelo with deep, intensely flavoured vesicles; freshly rendered coconut cream from a cracked coconut; artisan palm sugar with pronounced caramel depth; hand-pounded dried shrimp of clear provenance.
02
Estate — A well-sourced pomelo from a Thai or Vietnamese grocer, firm and fragrant; good-quality canned or carton coconut cream (high fat, no stabilisers); block palm sugar; whole dried shrimp from an Asian specialist.
03
Market — Any ripe pomelo available; canned coconut cream of reasonable fat content; granulated palm sugar or light brown sugar as a substitute; standard dried shrimp from a supermarket Asian aisle.
04
House — Pink grapefruit may stand in for pomelo, though it lacks the characteristic bitter-sweet balance and thicker vesicle walls; coconut milk reduced briefly in place of coconut cream; fish sauce may be adjusted with a pinch of white sugar if palm sugar is unavailable.
IV
Sensory Tests
◇Touch. Each pomelo vesicle is discrete and yields a clean burst of juice under light finger pressure — no clumping, no crushed or weeping flesh.
◇Sound. The fried shallots and garlic snap audibly when pressed between finger and thumb; any bend or silence indicates residual moisture and imminent softening.
◇Sight. On the finished plate, individual vesicles, golden shallot and garlic shards, pale peanut pieces, and flecks of red chilli are all visible as separate elements with no pooling liquid.
◇Taste. The dressing holds sour, salt, and sweet in equal tension — no single note suppresses the others.
◇Where it lives or dies. The dish lives or dies on keeping every element — above all the pomelo vesicles — wholly intact and separate; compress the vesicles or overdress, and the salad's defining textural complexity collapses into a single undifferentiated mass.
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VI
What to Pour
The pairing
Beer
From Oregon
Cristom Mt. Jefferson Cuvée Pinot Noir
Cristom Vineyards — Van Duzer Corridor · Van Duzer Corridor
Not yet stocked in Oregon
Wine
Without alcohol
Non-alcoholic
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The whole pairingPillar VII
Origin and lineage are part of membership.
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The working kitchen