Line a baking sheet with parchment paper or foil. In a single layer, lay out the scallions. Liberally drizzle the scallions with olive oil and season with salt and pepper. Toss to coat and spread back out in a single layer.
Roast the scallions on the center rack of the oven for 15 minutes.
While the scallions are roasting, make the miso butter. In a small sauce pan, add the butter, miso, and sherry. Stir until all of the ingredients have combined and are warmed through.
Remove the scallions from the oven and drizzle with the miso butter. Serve immediately and enjoy!
Notes
* Miso butter addition inspired by Saveur Magazine.
Recipe by at https://hapanom.com/roasted-scallions-with-miso-butter/