Simmered Taro (Satoimo no Nimono)

Bahan-bahan (4 porsi)

• 10 taro (satoimo) ((1¾ lb, 800 g))
• ½ tsp Diamond Crystal kosher salt
• 2 tsp neutral oil
• 1¼ cups dashi (Japanese soup stock)
• 3 Tbsp sake
• 2 Tbsp sugar
• 2 Tbsp soy sauce
• 1 Tbsp mirin
• yuzu peel ((or julienned lemon peel; optional))