·5/13/2026
from
SUĀN LÀ FĚN
# · SUĀN LÀ FĚN ·
## Hot and Sour Sweet Potato Noodles — Nine steps, one bowl
> The noodles are wide and slippery. The broth hits sour first, then hot, then numb.
> You build the bowl from the bottom up — sauce before noodles, toppings before you stir.
> Most people finish it in five minutes. Making it right takes maybe thirty.
---
**Serves** 1 · **Active time** 25 min · **Total time** 30 min (+ 30–60 min soak)
---
##Ingredients ## Noodles
| Item | Amount |
|------|--------|
| Wide dried sweet potato starch noodles | 80 g |
| Water for soaking | enough to fully submerge |
| Water for boiling | large pot, generously filled |
### Sauce (bowl bottom)
| Item | Amount |
|------|--------|
| Light soy sauce | 1½ tbsp |
| Black vinegar | 2 tbsp |
| Sesame paste, loosened with a little water | 1 tbsp |
| Sichuan pepper oil | 1 tsp |
| Sugar | ½ tsp |
| Salt | a small pinch |
### Toppings
| Item | Amount |
|------|--------|
| Preserved mustard greens (yacai), rinsed | 2 tbsp |
| Dried soybeans, for frying | 3 tbsp |
| Raw peanuts | 2 tbsp |
| Fresh cilantro, roughly torn | a small handful |
| Scallions, finely chopped | 2 stalks |
| Chili oil with flakes | 2–3 tbsp |
| Neutral oil for frying soybeans | enough to cover beans |
> Yield: 1 bowl · Best eaten immediately · No leftovers worth saving
---
## Step 1 · The Lineup
### Dry noodles, five condiments, six toppings
Lay everything out before you start. That's the whole dish, right there on the counter.
The noodles are wide, flat sweet potato starch noodles — the kind that look almost orange when dry and turn translucent after cooking. Don't substitute with thin vermicelli or rice noodles. The width and chew are the point. **If you're not sure what you have, bend one dry strand: it should snap cleanly, not flex.**
Rinse the preserved mustard greens before you use them. They come salted and slightly sweet — rinsing just takes a bit of the raw salt off so they work with the sauce instead of against it.
---
## Step 2 · The Soak
### Cold water, thirty minutes, no shortcuts
Put the dry noodles in a bowl deep enough to hold them flat. Cover completely with cold water. Set a timer for 30 minutes and walk away.
They'll shift from rigid and opaque to pliable and faintly glassy. **Don't try to speed this up with hot water.** Hot water starts cooking the outside before the inside softens, and you get a gummy texture that falls apart in the boiling pot later.
If you have an hour, give them an hour. An hour soak means a shorter boil and a more even texture throughout.
---
## Step 3 · The Sauce Build
### The bowl first, always
Spoon the soy sauce and black vinegar into the serving bowl. **Two parts vinegar to one and a half parts soy** is the starting point — taste it after and adjust.
Add the sesame paste. It sits in a pale clump in the dark liquid and doesn't mix on its own. That's fine — it'll come together once the hot noodles land on top. Drop in the Sichuan pepper oil and sugar. One quick stir to combine, then stop.
The sauce waits. The noodles come to it, not the other way around.
---
## Step 4 · The Crispy Beans
### The loudest part of the bowl
Pour enough neutral oil to just cover the soybeans — roughly 2 cm depth. Heat to 170°C. Drop one bean in: if it bobs up immediately in steady bubbles, you're ready.
Add all the soybeans. They'll hiss hard for the first 90 seconds, then settle as moisture cooks out. **Total fry time: 4–5 minutes.** Deep golden-brown, dry surface — that's done. Drain on paper. They crisp fully as they cool and hold for 2 hours at room temperature.
> ⚠️ They go soft fast once they hit liquid — don't add them to the bowl until the very end.
---
## Step 5 · The Boil
### Two minutes, not three
Bring a large pot of water to a full rolling boil. No salt.
Lift the soaked noodles and lower them into the pot. They'll sink, then float back up within 30 seconds. Stir with chopsticks to keep them loose. **Boil for exactly 2 minutes from the moment they go in.**
Pull one strand at 2 minutes and bite through. Soft with slight springback in the center — that's right. Still dense in the core, give it 30 more seconds.
---
## Step 6 · The Transfer
### From pot to bowl without the colander
Use chopsticks to lift the noodles directly out of the boiling water and drop them into the sauce bowl. Don't bother with a colander. **A little cooking water transfers with the noodles** and that's what loosens the sesame paste and gets the sauce moving.
The noodles land on top in a heap. The dark liquid starts rising around the base within seconds. Let it sit for 15 seconds — the heat does the first round of mixing on its own.
---
## Step 7 · The Toppings
### Five things, five separate piles
Add the toppings in distinct clusters — preserved mustard greens on one side, fried soybeans, peanuts, a generous cluster of cilantro, scallions scattered over the rest.
Keep them separate: **each topping has a completely different texture and they're better eaten in layers.** The yacai is soft and faintly sweet. The soybeans crunch hard. The peanuts are nutty. The cilantro is sharp. Mix them all at once and you lose that contrast.
---
## Step 8 · The Chili Pour
### Slow and deliberate, not dumped
Hold the chili oil above the center of the bowl and pour in a thin, steady stream. Watch it spread outward, bleeding red across the surface. **Two tablespoons is moderate. Three is where you start to feel it.**
Use chili oil with flakes still in it, not the clear refined kind. The flakes sit on the surface and you eat them with every bite — and the moment it hits the hot noodles, the aroma comes up immediately.
---
## Step 9 · The Hero Bowl
### Eat it before the soybeans soften
Mix the bowl just before eating. Reach the chopsticks down to the bottom and pull the sauce up through the noodles, folding until everything is coated. The sesame paste will have softened from the heat and distributes easily.
The finished bowl hits sour, hot, and numbing in the same mouthful. The noodles are slippery and thick, the sauce clings but doesn't weigh them down. The soybeans crunch against the soft everything else.
**Eat it while the beans are still crisp.** Five minutes in, they start absorbing liquid. Ten minutes in, you've missed the window. This is a bowl you finish, not one you come back to.
## Hot and Sour Sweet Potato Noodles — Nine steps, one bowl
> The noodles are wide and slippery. The broth hits sour first, then hot, then numb.
> You build the bowl from the bottom up — sauce before noodles, toppings before you stir.
> Most people finish it in five minutes. Making it right takes maybe thirty.
---
**Serves** 1 · **Active time** 25 min · **Total time** 30 min (+ 30–60 min soak)
---
##Ingredients ## Noodles
| Item | Amount |
|------|--------|
| Wide dried sweet potato starch noodles | 80 g |
| Water for soaking | enough to fully submerge |
| Water for boiling | large pot, generously filled |
### Sauce (bowl bottom)
| Item | Amount |
|------|--------|
| Light soy sauce | 1½ tbsp |
| Black vinegar | 2 tbsp |
| Sesame paste, loosened with a little water | 1 tbsp |
| Sichuan pepper oil | 1 tsp |
| Sugar | ½ tsp |
| Salt | a small pinch |
### Toppings
| Item | Amount |
|------|--------|
| Preserved mustard greens (yacai), rinsed | 2 tbsp |
| Dried soybeans, for frying | 3 tbsp |
| Raw peanuts | 2 tbsp |
| Fresh cilantro, roughly torn | a small handful |
| Scallions, finely chopped | 2 stalks |
| Chili oil with flakes | 2–3 tbsp |
| Neutral oil for frying soybeans | enough to cover beans |
> Yield: 1 bowl · Best eaten immediately · No leftovers worth saving
---
## Step 1 · The Lineup
### Dry noodles, five condiments, six toppings
Lay everything out before you start. That's the whole dish, right there on the counter.
The noodles are wide, flat sweet potato starch noodles — the kind that look almost orange when dry and turn translucent after cooking. Don't substitute with thin vermicelli or rice noodles. The width and chew are the point. **If you're not sure what you have, bend one dry strand: it should snap cleanly, not flex.**
Rinse the preserved mustard greens before you use them. They come salted and slightly sweet — rinsing just takes a bit of the raw salt off so they work with the sauce instead of against it.
---
## Step 2 · The Soak
### Cold water, thirty minutes, no shortcuts
Put the dry noodles in a bowl deep enough to hold them flat. Cover completely with cold water. Set a timer for 30 minutes and walk away.
They'll shift from rigid and opaque to pliable and faintly glassy. **Don't try to speed this up with hot water.** Hot water starts cooking the outside before the inside softens, and you get a gummy texture that falls apart in the boiling pot later.
If you have an hour, give them an hour. An hour soak means a shorter boil and a more even texture throughout.
---
## Step 3 · The Sauce Build
### The bowl first, always
Spoon the soy sauce and black vinegar into the serving bowl. **Two parts vinegar to one and a half parts soy** is the starting point — taste it after and adjust.
Add the sesame paste. It sits in a pale clump in the dark liquid and doesn't mix on its own. That's fine — it'll come together once the hot noodles land on top. Drop in the Sichuan pepper oil and sugar. One quick stir to combine, then stop.
The sauce waits. The noodles come to it, not the other way around.
---
## Step 4 · The Crispy Beans
### The loudest part of the bowl
Pour enough neutral oil to just cover the soybeans — roughly 2 cm depth. Heat to 170°C. Drop one bean in: if it bobs up immediately in steady bubbles, you're ready.
Add all the soybeans. They'll hiss hard for the first 90 seconds, then settle as moisture cooks out. **Total fry time: 4–5 minutes.** Deep golden-brown, dry surface — that's done. Drain on paper. They crisp fully as they cool and hold for 2 hours at room temperature.
> ⚠️ They go soft fast once they hit liquid — don't add them to the bowl until the very end.
---
## Step 5 · The Boil
### Two minutes, not three
Bring a large pot of water to a full rolling boil. No salt.
Lift the soaked noodles and lower them into the pot. They'll sink, then float back up within 30 seconds. Stir with chopsticks to keep them loose. **Boil for exactly 2 minutes from the moment they go in.**
Pull one strand at 2 minutes and bite through. Soft with slight springback in the center — that's right. Still dense in the core, give it 30 more seconds.
---
## Step 6 · The Transfer
### From pot to bowl without the colander
Use chopsticks to lift the noodles directly out of the boiling water and drop them into the sauce bowl. Don't bother with a colander. **A little cooking water transfers with the noodles** and that's what loosens the sesame paste and gets the sauce moving.
The noodles land on top in a heap. The dark liquid starts rising around the base within seconds. Let it sit for 15 seconds — the heat does the first round of mixing on its own.
---
## Step 7 · The Toppings
### Five things, five separate piles
Add the toppings in distinct clusters — preserved mustard greens on one side, fried soybeans, peanuts, a generous cluster of cilantro, scallions scattered over the rest.
Keep them separate: **each topping has a completely different texture and they're better eaten in layers.** The yacai is soft and faintly sweet. The soybeans crunch hard. The peanuts are nutty. The cilantro is sharp. Mix them all at once and you lose that contrast.
---
## Step 8 · The Chili Pour
### Slow and deliberate, not dumped
Hold the chili oil above the center of the bowl and pour in a thin, steady stream. Watch it spread outward, bleeding red across the surface. **Two tablespoons is moderate. Three is where you start to feel it.**
Use chili oil with flakes still in it, not the clear refined kind. The flakes sit on the surface and you eat them with every bite — and the moment it hits the hot noodles, the aroma comes up immediately.
---
## Step 9 · The Hero Bowl
### Eat it before the soybeans soften
Mix the bowl just before eating. Reach the chopsticks down to the bottom and pull the sauce up through the noodles, folding until everything is coated. The sesame paste will have softened from the heat and distributes easily.
The finished bowl hits sour, hot, and numbing in the same mouthful. The noodles are slippery and thick, the sauce clings but doesn't weigh them down. The soybeans crunch against the soft everything else.
**Eat it while the beans are still crisp.** Five minutes in, they start absorbing liquid. Ten minutes in, you've missed the window. This is a bowl you finish, not one you come back to.