- In a large bowl, wash rice and peas; cover with water and soak overnight.
- Drain, add 6 tablespoons of the Hawaiian salt and the salad oil; mix well.
- Mix the pork with the remaining 2 tablespoons Hawaiian salt and five spice.
- Form a bamboo leaf into a triangle; secure and set in a triangular mold.
- Set two other leaves on each side of the triangle.
- Put 2/3 cup of the rice mixture into leaf mold.
- Place 3 pieces of pork, 4 pieces of larp chong, and 1 duck egg yolk on rice.
- Cover with an additional 2/3 cup of the rice mixture.
- Place a small bamboo leaf over rice and wrap joong by bringing sides of leaves over the small leaf.
- Tie securely with string.
- Repeat making 17 more joong.
- Place in a large saucepot; cover with water.
- Bring to a boil, lower heat, and simmer for 5 hours.
- As needed, add boiling water to cover joong.
Makes 18 joong.
Joong can also be wrapped in ti leaves or foil. If desired, mixture can be wrapped in a rectangular shape.