all-purpose flour (about 150 g) • hot water (about 70°C/158°F) (about 63 g) • room temperature water (about 20 g) • ground pork shoulder (about 300 g) • dried shrimp, finely chopped (about 3 g) • salt (about 4 g) • soy sauce (about 15 g) • white pepper (about 1 g) • grated ginger (about 5 g) • napa cabbage, finely chopped (about 166 g) • chopped green onions (about 20 g) • Cornstarch,