By Alina @ TLY
Fish maw and crab meat thick soup is a Cantonese-style thickened soup, known as geng, that simmers softened fish maw with crab meat in a rich stock, then thickens the broth with a cornstarch slurry and a swirl of egg white until it turns silky and coats the back of a spoon. Unlike a clear double-boiled soup or a braise, the point of this dish is a smooth, spoonable consistency, not a light broth.
Key Takeaways
- This is a thick, cornstarch- and egg-white-thickened soup (geng), not a clear broth or a braise.
- Dried fish maw is soaked overnight, then quickly blanched with ginger and scallion to prepare it for the pot.
- Crab meat is added near the end and only needs a couple of minutes of gentle heat so it stays tender.
- A cornstarch slurry, whisked in gradually, is what gives the soup its glossy, spoon-coating texture.
- Ginger is used here as a genuine savory aromatic in the broth, distinct from how it is used in other TLY recipes.
Why This Soup Is Different From Other Fish Maw Dishes
Fish maw appears in several classic preparations, and the cooking technique changes the entire character of the dish. This recipe belongs to the thick soup, or geng, family, which is distinct from a clear double-boiled soup or a slow braise.
| Style | Liquid consistency | Typical method |
|---|---|---|
| Thick soup (geng) — this recipe | Silky, thickened, clings to a spoon | Simmered broth thickened with cornstarch slurry and egg white |
| Double-boiled soup | Clear, light broth | Gently steamed in a covered vessel for hours |
| Braise | Reduced, saucy but not thickened with starch | Simmered directly in a seasoned liquid until tender |
Ingredients
- Dried fish maw, soaked overnight and cut into bite-size pieces
- Fresh or pasteurized crab meat
- Ginger slices and scallion, for blanching and for the broth
- Rich stock (chicken or seafood stock)
- Cornstarch, mixed with cold water into a slurry
- Egg white, lightly beaten
- Shaoxing wine, white pepper, and salt to taste
- Cilantro leaves, for garnish
How to Prepare the Fish Maw
Soak the dried fish maw overnight in room-temperature water until it softens and expands. Bring a pot of water to a boil with a few slices of ginger and a piece of scallion, then blanch the softened fish maw briefly to clean it and remove any residual odor. Drain, rinse, and cut into bite-size pieces before adding it to the soup.
How to Make the Thick Soup
1. Build the broth
Bring the stock to a simmer with a few slices of ginger. Add the prepared fish maw pieces and simmer until they are tender and have absorbed some of the broth's flavor.
2. Add the crab meat
Stir in the crab meat along with a splash of Shaoxing wine and white pepper. Crab meat is delicate, so it only needs two to three minutes of gentle heat to warm through — overcooking makes it rubbery.
3. Thicken the soup
Stir the pot in one direction while slowly pouring in the cornstarch slurry, a little at a time, until the broth turns glossy and coats a spoon.
4. Add the egg white
Drizzle the beaten egg white into the soup in a thin stream while stirring gently, then let it sit briefly before stirring once more so it forms soft ribbons rather than clumping.
Serving Suggestions
Ladle the soup into bowls immediately while it is hot and glossy, and finish with a few cilantro leaves. This soup is meant to be eaten right away, since the thickened texture is best fresh off the stove.
Frequently Asked Questions
What makes this soup "thick"?
A cornstarch slurry stirred into the simmering broth gives it a silky, spoon-coating consistency, which is finished with a swirl of egg white for texture.
Can I use the tube or the flat shape of fish maw for this recipe?
Either works once softened and cut into pieces; the shape mainly affects how the piece looks and how quickly it absorbs the broth, not the final texture of the soup.
Why blanch the fish maw with ginger and scallion first?
The quick blanch helps clean the softened fish maw and reduces any residual odor from soaking, so the finished soup tastes clean.
How is this different from double-boiled fish maw and chicken soup?
Double-boiled soup stays a clear, light broth cooked gently over hours. This dish is actively thickened with cornstarch and egg white into a silky, spoonable soup.
For other ways to prepare fish maw, see our double-boiled fish maw and chicken soup or braised fish maw with shiitake mushrooms. Shop fish maw in our seafood collection, including fish maw tube, 213 grams and fish maw flat, 213 grams.
