Japanese Vegan Simmered Daikon with Bok Choy and Edamame

Peel daikon and slice into 1-inch thick rings. Combine sake, mirin, soy, sugar, water, and konbu (if using) in a medium saucepan. Add daikon slices. Bring to a boil over high heat. Reduce to a bare simmer. Cover and cook, turning and rotating daikon occasinally until daikon is completely tender and colored all the way through, about 1 hour.

Carefully remove daikon with a slotted metal spatula. Bring liquid to a simmer and add bok choy and edamame, Cook until bok choy is just wilted but still crunchy and edamame are cooked through but still bright green, about 2 minutes. Divide bok choy and edamame into individual small serving bowls. Add sliced daikon. Top with scallions and serve.