Dysphagia Knowledge Hub — 吞嚥困難知識庫
Hong Kong Food IDDSI Guide: Classifying Cantonese and Local Dishes by Texture Level
Hong Kong’s food culture is extraordinarily rich — from fragrant congee at a morning cha chaan teng to dim sum baskets shared on Sunday mornings, from silken tofu at a street stall to steamed whole fish at a family dinner. For people living with dysphagia, navigating this culinary landscape safely requires knowing exactly where each familiar dish sits on the IDDSI framework — and which foods require modification or avoidance.
This guide maps the most common Hong Kong and Cantonese dishes to their appropriate IDDSI level, notes where modification is needed, and highlights the cultural contexts — festivals, takeaway habits, everyday meals — where extra vigilance matters most.
Understanding the IDDSI Framework
The International Dysphagia Diet Standardisation Initiative (IDDSI) uses a continuum from Level 0 (thin liquid) to Level 7 (regular, easy to chew). For foods:
- Level 3 — Liquidised: pourable, no lumps, cannot hold shape
- Level 4 — Pureed: smooth, no lumps, holds shape briefly, passes fork drip test
- Level 5 — Minced and Moist: soft moist particles ≤4 mm, no separate liquid
- Level 6 — Soft and Bite-Sized: pieces ≤1.5 cm, can be mashed with tongue, no hard/crunchy components
- Level 7 — Regular/Easy to Chew: normal food, or slightly tender cuts
Each person’s prescribed level comes from a speech-language pathologist (SLP) assessment. This guide helps caregivers and patients apply that prescription to real Hong Kong meals.
Congee (粥) — The Dysphagia-Friendly Staple
Congee is one of Hong Kong’s most accessible foods for people with swallowing difficulty, but not all congee is equal.
白粥 (Plain Congee) — IDDSI Level 4
Plain congee cooked with a high water-to-rice ratio (1:10 or more) until fully gelatinised achieves a smooth, cohesive texture that typically meets Level 4 (Pureed) criteria. It holds shape briefly when scooped and does not pour freely. Test with the fork drip test — it should drip slowly in dollops rather than flow in a stream.
Modification tip: Strain through a sieve if whole rice grains remain, which would push it toward Level 5. Avoid adding raw spring onion garnish.
艇仔粥 (Sampan Congee) — Requires Modification for L4/L5
Traditional 艇仔粥 contains shredded fish, pork skin (豬皮), peanuts (花生), squid, and fried dough (油條). The congee base itself may be Level 4, but the toppings introduce Level 6–7 components and choking hazards (whole peanuts, fibrous squid, crispy fried dough). For dysphagia patients:
- Order or prepare the congee base only (plain)
- Finely mince any soft fish separately and add back (Level 5)
- Omit peanuts, squid, and fried dough entirely
及第粥 (Offal Congee) — Level 5 with Preparation
及第粥 uses pork liver (豬潤), pork intestine (豬腸), and minced pork balls. The congee base is typically Level 4. The offal pieces, if finely minced to ≤4 mm and served moist, can reach Level 5. Pork intestine is inherently fibrous and elastic — it should be excluded or replaced with minced pork for Level 5 compliance.
Dim Sum (點心) — High Vigilance Required
Dim sum presents particular challenges because texture varies widely between establishments, steam time, and freshness. Always assess at the table before serving.
蒸水蛋 (Steamed Egg Custard) — IDDSI Level 4
Properly steamed egg custard (water-to-egg ratio approximately 2:1, steamed on low heat) achieves a silky, smooth texture that reliably meets Level 4 criteria. It holds shape when scooped and passes the fork pressure test with minimal force. This is one of the most reliable dim sum choices for dysphagia patients.
Risk: Over-steamed or incorrectly proportioned custard can become rubbery and springy — failing Level 4. Always test before feeding.
腸粉 (Rice Noodle Roll) — IDDSI Level 5 (with caution)
Plain rice noodle roll (腸粉) is soft and moist, generally meeting Level 5 criteria when freshly made. It can be cut into ≤4 mm pieces. However:
- The filling (char siu pork, shrimp, beef) must be assessed separately
- Fried 腸粉 (干炒腸粉) changes texture completely — avoid
- Soy sauce pools under the roll; ensure the overall bolus is not too wet or too dry
燒賣 (Siu Mai) — Avoid Unless Heavily Modified
Combustible between Level 5 and Level 6 at best, standard 燒賣 contains pork and shrimp in a wheat starch wrapper. The wrapper is cohesive but may separate from the filling. The shrimp component is fibrous. Avoid for Level 4 patients. For Level 5–6 patients, discard the wrapper, mash the filling finely, and verify particle size.
蝦餃 (Har Gow) — Avoid As-Is
蝦餃 wrappers are stretchy and form a cohesive elastic skin that does not break apart easily in the mouth — a significant aspiration risk. Whole shrimp inside are firm and fibrous. Avoid for all dysphagia patients unless the filling is fully removed and minced, which defeats the purpose of serving it. Recommend substituting with 蒸水蛋 instead.
Soups (湯)
清湯 (Clear Broth) — IDDSI Level 0
Plain clear broth — including stock-based soups, wonton broth (without wonton), and congee water (粥水) — is a thin liquid at Level 0. Patients prescribed Level 1–4 liquids require a thickening agent added to all clear soups and teas.
奶油湯 / 忌廉湯 (Cream Soup) — Level Depends on Consistency
Cream-based soups vary enormously. A thin cream of corn soup (粟米忌廉湯) may flow freely (Level 1–2). A thick pumpkin soup with no lumps may reach Level 3–4. Test with the spoon tilt test before serving. Commercially prepared cream soups should not be assumed to meet any particular level without testing.
Common Daily Dishes
蒸魚 (Steamed Fish) — IDDSI Level 5–6
Cantonese steamed fish (whole fish, soy and ginger) produces a flaky, moist flesh that, when separated into small pieces ≤4 mm, typically meets Level 5. Thicker fish fillets (e.g., 班魚 — garoupa) may hold together at Level 6 if the piece size is ≤1.5 cm. Remove bones meticulously — even small bones present a critical safety risk.
炒蛋 / 滑蛋 (Scrambled/Silken Egg) — IDDSI Level 5–6
Soft scrambled eggs (not overcooked) typically achieve Level 5–6 depending on texture. 滑蛋 (extra-silky scrambled egg with less colour development) is softer and more likely Level 5. Avoid dry, rubbery scrambled egg which may form cohesive masses that are difficult to clear.
豆腐花 (Tofu Pudding) — IDDSI Level 4
Unsweetened 豆腐花 (silken tofu dessert) is among the smoothest, most reliable Level 4 foods in the Hong Kong diet. It is widely available, inexpensive, and requires no modification. Sweet ginger syrup (薑汁) is a thin liquid (Level 0) — omit or thicken for patients who need thickened liquids.
嫩豆腐 (Silken Tofu, Savoury) — IDDSI Level 5
Savoury silken tofu (嫩豆腐) used in dishes such as 蒸豆腐 or 麻婆豆腐 (soft tofu only, without chilli or Sichuan peppercorn) typically meets Level 5 — it can be cut into small soft pieces with gentle pressure. The firm tofu (硬豆腐) used in stir-fries is Level 6–7. Fried tofu (豆腐卜) should be avoided.
Festive and Street Food Hazards
魚蛋 (Fish Balls) — IDDSI Level 5–6 When Cut
Street-style 魚蛋 (curry or plain) are bouncy and elastic as a whole — a significant aspiration hazard if swallowed whole. When cut into quarters and served with sauce, they can approach Level 5–6 depending on firmness. Caution: consistency varies between brands. Street-stall versions are often firmer than supermarket varieties.
碗仔翅 (Imitation Shark’s Fin Soup) — L3–4 with Thickener
碗仔翅 base is a thick starch-thickened soup that naturally falls at approximately Level 2–3. With additional thickener and the glass noodles removed or blended, it can reach Level 3–4. The glass noodles (冬粉) themselves are slippery and long — a significant aspiration risk. Always remove or blend them.
粽 (Glutinous Rice Dumpling) — Avoid
Glutinous rice (糯米) is highly cohesive and sticky — it forms a compact bolus that is extremely difficult to manage for any patient with reduced oral or pharyngeal function. Glutinous rice products should be avoided by all dysphagia patients, including 年糕 (New Year cake), 湯圓 (glutinous rice balls), and 糯米雞 (sticky rice in lotus leaf). This is one of the most common festive food errors leading to aspiration events.
Risk Table: Popular HK Takeaway Items
| Dish | As-Served IDDSI Level | Safe for L4? | Safe for L5? | Key Hazard |
|---|---|---|---|---|
| 白粥 (plain congee) | L4 | Yes (check) | Yes | Residual rice grains |
| 艇仔粥 (sampan congee) | L5–6+ | No (modify base only) | With modification | Peanuts, fried dough, squid |
| 腸粉 (rice noodle roll) | L5 | No | Yes (cut small) | Slippery, sauce pooling |
| 蒸水蛋 (steamed egg custard) | L4 | Yes | Yes | Over-steaming ruins texture |
| 蝦餃 (har gow) | L6–7 | No | No | Elastic skin, whole shrimp |
| 燒賣 (siu mai) | L5–6 | No | With heavy modification | Wrapper cohesion |
| 蒸魚 (steamed fish) | L5–6 | No | Yes (debone, cut small) | Fish bones |
| 炒蛋 (scrambled egg) | L5–6 | No | Yes (soft cook) | Rubbery if overcooked |
| 豆腐花 (tofu pudding) | L4 | Yes | Yes | Ginger syrup is L0 |
| 魚蛋 (fish balls) | L6–7 | No | Only if quartered | Elastic, bounce hazard |
| 碗仔翅 (imitation shark fin) | L2–3 | No (add thickener) | No | Glass noodles (remove) |
| 糯米類 (glutinous rice products) | Not classifiable safely | No | No | Extremely cohesive |
| 粥水 (congee water/broth) | L0 | No | No | Thin liquid — thicken |
Tea Classification
All varieties of Chinese tea — 普洱 (pu-erh), 烏龍 (oolong), 香片 (jasmine), 菊花 (chrysanthemum), 壽眉 (white peony) — are thin liquids at IDDSI Level 0 when brewed in the standard manner. This applies regardless of leaf type, oxidisation level, or brewing strength.
Patients prescribed Level 1 (Slightly Thick) or above must use a thickener in all teas. Many commercially available thickeners are flavourless and dissolve without altering aroma significantly, making them suitable for use in dim sum settings. Carry a sachet or travel-size jar when dining out.
Important: Milk tea (奶茶) — a Hong Kong institution — is also Level 0 unless made with condensed milk added in sufficient quantity to alter viscosity, which is rare. Do not assume 奶茶 is thickened.
Cultural Notes: Safe Festival Eating
Lunar New Year: The highest-risk traditional foods are 年糕 (glutinous rice cake), 湯圓, and 蘿蔔糕 if pan-fried to crispness. Safe alternatives include 蒸水蛋, soft steamed fish fillets, and congee with minced pork.
Ching Ming / Chung Yeung: 燒豬 (roast suckling pig) is a common ritual food with a crispy skin that poses an aspiration risk. The soft flesh beneath the skin, once separated and shredded finely, can approach Level 5–6. Remove all skin and fatty tissue.
Dragon Boat Festival: 粽 (glutinous rice dumplings) should be substituted entirely. Consider preparing a rice-based soft meal as an alternative.
Dim Sum (Yum Cha): Communicate clearly with restaurant staff — request 蒸水蛋 instead of problematic items, ask for fish congee base without garnish, and carry a thickener sachet for tea. Many Hong Kong restaurant staff are accommodating when the reason is explained.
A Note on Individual Assessment
This guide provides general classification guidance based on typical preparation methods. Individual food textures vary by restaurant, freshness, cooking time, and personal preparation. A speech-language pathologist assessment is the gold standard for determining an individual’s safe IDDSI level. This guide supplements — but does not replace — professional clinical advice. If in doubt about a specific food item, apply the IDDSI home tests (fork drip, fork pressure) before serving.
Contact the Speech Therapy Department at your nearest Hospital Authority cluster or a private SLP registered with the Hong Kong Academy of Medicine for a formal swallowing assessment.