Steps
- 1.
You Po Che Mian (Xi'an): Stretching creates grooves to hold scorched chili oil
- 2.
San Xian Biang Mian (Shaanxi countryside): Thick nodes trap pork belly and wood ear mushrooms
- 3.
Suan La Biang Mian (Guanzhong Plain): Ribbon shape maximizes vinegar absorption