Yan Su Ji
鹽酥雞·(yán sū jī)
The Home Night Market (夜市)
There are few sensory memories as universally understood by the Taiwanese diaspora as the crinkling of a grease-stained paper bag filled with golden, craggy chunks of chicken. This is the real deal—no shortcuts, no smooth batter. The secret lies in a coarse sweet potato starch coating and an old-school technique called fan chao, letting the starch hydrate and grip the meat like glue. Finished with a flash-fry of fresh basil and an unapologetic dusting of five-spice, it is the midnight infrastructure of Taipei, miraculously replicated on a Tuesday night in Ohio.
Before you start
Prepare the dusting powder.
In a small bowl, combine the 1/2 teaspoon of white pepper, kosher salt, and 1/4 teaspoon of five-spice powder. Set aside for the final toss.
Ingredients
- boneless skinless chicken thighs1 1/2 lb
- Taiwanese soy paste or soy sauce2 tbsp
- Michiu or Shaoxing wine1 tbsp
- white sugar1 tsp
- garlic3 med clove
- five-spice powder1/2 tsp
- white pepper1/4 tsp
- egg1 large
- coarse sweet potato flour1 1/2 cup
- neutral frying oil1 qt
- fresh Thai basil leaves1 cup
- white pepper1/2 tsp
- kosher salt1/2 tsp
- five-spice powder1/4 tsp
Method
- 01
Marinate the chicken.
In a large bowl, massage the chicken chunks with the soy paste, rice wine, sugar, grated garlic, 1/2 teaspoon of five-spice, 1/4 teaspoon of white pepper, and the egg. Work the mixture vigorously with your hands until the liquids are entirely absorbed into the meat. Cover and refrigerate for at least 30 minutes, or up to overnight.
- 02
Coat and rest the chicken.
Pour the coarse sweet potato flour into a wide, shallow dish. Working in batches, press the marinated chicken pieces into the flour, ensuring every crevice is thickly coated, then shake off the excess. Place the coated pieces on a wire rack and let them sit for 5 to 10 minutes. This hydration rest, or fan chao, allows the moisture to turn the stark white powder slightly damp and translucent, locking the crust to the meat.
- 03
Execute the first fry.
Fill a heavy-bottomed Dutch oven with 2 inches of neutral oil and heat to 325°F. Carefully drop the chicken pieces in, one by one, ensuring not to crowd the pot. Fry for 3 to 4 minutes until the chicken is cooked through and pale golden. Remove to a clean wire rack and use a spider strainer to skim the oil of floating debris.
- 04
Flash-fry for the ultimate crisp.
Increase the heat until the oil reaches 375°F. Reintroduce all the chicken to the hot oil for 60 to 90 seconds. The high heat aggressively vaporizes surface moisture, driving out excess oil and forcing the crust into a deep golden, rigid state.
- 05
Blister the basil.
In the final 15 seconds of the second fry, stand back and carefully toss the perfectly dried basil leaves directly into the oil. Cover immediately with a splatter guard, as the moisture in the leaves will cause the oil to pop violently. Fry until the basil is translucent and crisp.
- 06
Season and serve immediately.
Using a spider strainer, quickly scoop the chicken and basil out of the hot oil, shaking off the excess fat. Transfer to a large mixing bowl, sprinkle the dusting powder over the top, and toss vigorously while the surface is still hot and glistening.
Notes
The secret is the starch.
To get that unmistakable, craggy, deafening crunch that immediately takes you back to Taiwan, you cannot use regular wheat flour or fine cornstarch. Coarse sweet potato starch (粗粒地瓜粉) is non-negotiable and easily found at your local Asian grocer.
Respect the hot oil.
Ensure your Thai basil leaves are meticulously dried before they hit the 375°F oil. Even a few drops of residual water will cause the oil to pop and violently splatter.