Why it works: Sesame and bamboo shoots share more aroma than cooks usually use. They rank in the top 1% of all ingredient pairs, and cooks put them together in 53 recipes. Both carry nonanal, which smells fat, citrus. The science ↓
Tofu Hot and Sour Soup
Ingredients
Directions
Prepare the ingredients
Shred pork and mix the marinate ingredients, then marinate the pork for 20 minutes.
Cut tofu into small squares.
Cut bamboo shoots into thin strips and then into fine slices.
To reconstitute the fungus, soak in warm water for 20 minutes. Rinse, and cut into thin pieces.
If substituting Chinese dried mushrooms, soak to soften, then cut off the stems and cut into thin strips.
If using fresh mushrooms, wipe clean with a damp cloth and slice.
Make the soup
Bring the water to a boil. When it is boiling, add the bamboo shoots, fungus or mushrooms, and the dried lily buds. Stir.
Add the tofu. Bring back to a boil and add the marinated pork.
Stir in the salt, sugar, soy sauce, vinegar, and sesame oil. Test the broth and adjust the taste if desired. (If using chicken broth, you may want to add a bit more rice vinegar).
Mix the cornstarch and water. Slowly pour the cornstarch mixture into the soup, stirring while it is being added. Let the broth come back to a boil. As soon as it is boiling, remove the broth from the stove.
Finish and serve
Slowly drop in the beaten egg, stirring in one direction at the same time. Add the green onion and the white pepper to taste. Drizzle with chili oil if desired. Serve hot.
If preparing ahead, freeze; when ready, thaw, add tofu, bring to boiling, add egg.
Adjust the ratio of water to chicken stock as desired.
Nutrition, whole recipe (rough)
Counts 18 of 23 ingredients. The other 5 aren't in our nutrition table and add nothing above, so the real totals are higher.
What these numbers assume: 18 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Flour | 1 cup (125g) all-purpose | 455 |
| Pork | 100g cooked | 242 |
| Red Rice | 1 cup cooked (158g) white | 206 |
| Rice | 1 cup cooked (158g) white | 206 |
| Chicken | 100g cooked | 165 |
| Sesame | 1 tbsp (14g) | 120 |
| Olive Oil | 1 tbsp (14g) | 119 |
| Egg | 1 large egg (50g) | 78 |
| Tofu | 100g firm | 76 |
| Sugar | 1 tbsp (12.5g) granulated | 49 |
| Onion | 1 medium (110g) | 44 |
| Mushroom | 1/2 cup sliced (35g) | 15 |
| Mushrooms | 1/2 cup sliced (35g) | 15 |
| Soy Sauce | 1 tbsp (15ml) | 9 |
| Chili | 1 tsp (2.7g) | 8 |
| Black Pepper | 1 tsp ground (2.3g) | 6 |
| Vinegar | 1 tbsp (15ml) distilled | 3 |
| Salt | 1 tsp (6g) | 0 |
| Cake | not in our table | 0 |
| Bamboo Shoots | not in our table | 0 |
| Wood | not in our table | 0 |
| Cloud Ear Fungus | not in our table | 0 |
| Water | not in our table | 0 |
One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.
Steps grouped into stages for easier reading; the method is the source's own.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
-
Sesame + bamboo shootstop 1% of all pairsSmell alikestrongCooked together53 recipes
Shared aroma: nonanal (fat, citrus).
-
Tofu + sesametop 1% of all pairsSmell alikestrongCooked together250 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Bamboo shoots + cloud ear fungustop 2% of all pairsSmell alikestrongCooked together1 recipe
Shared aroma: coumarin (sweet, hay).
-
Pork + chickentop 2% of all pairsSmell alikestrongCooked together5,417 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
-
Tofu + bamboo shootstop 3% of all pairsSmell alikestrongCooked together21 recipes
Shared aroma: nonanal (fat, citrus).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Tofu
- Provides soft, tender pieces that hold their shape in the hot broth.
- Pork tenderloin
- Adds savory meat flavour and a tender bite when cooked briefly in the broth.
- Cornstarch
- Thickens the broth into the silky body typical of hot and sour soup.
- Egg
- Forms soft, silky ribbons when dropped slowly into the hot thickened broth.
- Red rice vinegar
- Supplies the sour note that defines the soup's hot and sour flavour.
- Black fungus
- Adds a crisp, springy texture to the soup.
The step that matters
Adding the cornstarch mixture. Pour the cornstarch slurry slowly while stirring, then bring the broth back to a boil. Adding it all at once or skipping the stirring causes clumps, and under-boiling leaves the starch unset so the broth stays thin.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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