Instructions

1. For the king oyster scallops: To make a broth, combine the water, tamari, ginger, halved garlic, kombu, and miso in a medium saucepan. Bring to a simmer over medium heat, then simmer gently for 10 minutes to allow the flavors to blend. Taste the broth. It should have a slightly salty, slightly savory flavor. If it tastes under-seasoned, add a bit more miso.
2. Meanwhile, remove the mushroom stems from the caps. You’ll be using only the stems, so keep the caps for another use (see Pro Tips for ideas). Slice the stems crosswise into coins about 1 inch thick. The shapes will resemble scallops. You should get 3 or 4 scallops from each stem.
3. Drop the scallops into the broth and simmer very gently until they absorb the flavors, 15 to 20 minutes. Use immediately or chill in the fridge in the braising liquid for up to 1 day.
4. FOR THE TAMARI BUTTER: Stir together the butter, tamari, and minced garlic in a small bowl.
5. TO SEAR THE SCALLOPS: Score the poached mushrooms with a few crosshatch cuts on each side. Heat a large heavy sauté pan (such as cast iron) over medium-high heat. Turn on a fan or open a window because pan-searing the scallops will produce some smoke. When the pan is hot, add the 2 tablespoons peanut or vegetable oil, tilting the pan to coat it evenly. Carefully place the scallops in the hot pan— tongs are helpful here. Let cook undisturbed until the scallops are nicely seared on the bottom, 2 to 3 minutes. Add dollops of the tamari butter around the pan, and tilt the pan to help it seep underneath the scallops. When it does, flip the scallops and sear the other side for 2 to 3 minutes. While searing, spoon the melted butter over the tops of the scallops. (Spooning helps to brown the scallops and keep the butter from burning on the hot pan.) Flip one or two scallops over to make sure you have a nice golden-brown sear on each side. When both sides are golden brown, remove from the heat and season with salt and pepper.
6. FOR THE ASPARAGUS GARNISH: Using a vegetable peeler, shave each spear of asparagus along its length. Remove all of the green peel from each spear. These are the shavings you will use. Refrigerate the remaining inner white part of theasparagus for another use (see Pro Tips).
7. Right before serving, bring a pot of water to a boil and set up a bowl of ice water. Drop the shaved asparagus in the boiling water and cook for 30 seconds, then transfer to the ice water to halt the cooking process.
8. Gently toss the shaved asparagus with the olive oil, yuzu juice, and shallots. Season lightly with salt and pepper and taste, adding more seasoning if you think it needs it.
9. Grab 6 small plates, place 3 or 4 scallops on each plate and garnish with a small handful of shaved asparagus.