Khao Piak Sen (Lao Noodle Soup)
This khao piak sen recipe walks you through making a traditional Lao noodle soup with pork or chicken and chewy noodles, with clear photo steps.

- Prep time
- 10 min
- Cook time
- 50 min
- Yield
- 6 servings
- Difficulty
- HARD
Ingredients
Quantities are shown as originally provided.
- 1 cup rice flour
- 1 cup tapioca flour
- 1 cup boiling water
- 1 tablespoon oil
- 3 cloves of garlic (peeled)
- 3 coriander root
- 1 teaspoon black peppercorns
- 1 onion
- 1 lb pork ribs
- 70 fl oz or 9 cups water
- 1 onion
- 2 tablespoons light soy sauce
- 2 tablespoons golden mountain sauce
- 1 tablespoon salt
- 7 oz or 1 cup pork (thin slices)
- 10 oz moo joh sausage (optional, thin slices)
- red pepper flakes (garnish to taste)
- fried shallots (garnish to taste)
- fried garlic (garnish to taste)
- green onions (garnish to taste)
- coriander (garnish to taste)
Instructions
- 1
Pound garlic, black peppercorns, and coriander root into a coarse paste using a mortar and pestle or food processor.
- 2
Heat oil in a large pot over medium-high heat and fry the paste until fragrant.
- 3
Add pork ribs and sear until no longer red.
- 4
Pour in water and bring to a simmer.
- 5
Skim off any foam that rises to the surface.
- 6
Add onions, soy sauce, golden mountain sauce, and salt.
- 7
Bring to a boil, then reduce heat, cover, and simmer for 40 minutes.
- 8
Add sliced pork and moo joh sausage if using. Simmer for another 5 minutes.
- 9
Pour tapioca flour into a bowl and make a well in the center. Slowly add boiling water while stirring.
- 10
Once it turns slightly translucent, mix in the rice flour. Knead until smooth and non-sticky.
- 11
Shape the dough into a log and cut into three pieces.
- 12
Roll out one piece to your desired thickness using a rolling pin.
- 13
Slice into noodles about one-fourth inch wide.
- 14
Dust with more tapioca flour to keep the noodles from sticking.
- 15
Boil noodles in the soup for two to three minutes until cooked through.
- 16
Ladle soup and noodles into bowls. Add your favorite toppings like fried garlic, shallots, lime, scallions, coriander, or chili flakes.