Nitsuke Recipe (Japanese Simmered Fish)

Bahan-bahan (2 porsi)

• ½ lb cod fillet portions
• ⅛ tsp Diamond Crystal kosher salt ((about 2 pinches))
• 3 inches gobo (burdock root)
• 1 knob ginger ((1½ inches, 3.8 cm))
• ¾ cup water
• 1 piece kombu (dried kelp) ((2 x 3 inches, 5 x 7.6 cm, 6 g per piece))
• ¼ cup sake
• ¼ cup mirin
• 1½ Tbsp sugar
• 3 Tbsp soy sauce