Cold Somen

Name: Cold Somen
Prep time: 1 h
Cook time: 20 min
Total time: 1 h 20 min
Cuisine: Japanese
Ingredients: 400 g somen; 6 stalks scallions; 2 buds myoga (Japanese ginger); 1 kinshi tamago (1 egg's worth); 2 piece grated ginger; 5 leaves shiso; 4 chicken tenders; 1 pinch salt; 2 tbsp sake; 2 dried shiitake mushroom; 25 mL sake; 25 mL mirin; 20 mL soy sauce; 1 tbsp sugar; 100 mL reserved soaking liquid; mentsuyu