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Cedar Plank Roasted Mushrooms

Cedar contains natural oils and resins that, when heated, release a sweet smoky aroma into food. Try it with some roasted mushrooms!

by Rene Seltzer

(dynamic)

Agaricus bisporus. © Evan Iverson (CC-BY-NC) (from inaturalist.org, obs. 238297731)

Method

Hydrate the Plank

  1. Submerge cedar plank in water.

    • If ⅜", submerge for 1 hour.

    • If ½" (or very dry or porous), submerge for 2 hours.

  2. Weigh it down with a plate or heavy can to ensure it stays fully submerged.


(When sufficiently hydrated, it should feel noticeably heavier and water-logged vs. when it was dry; and it should feel uniformly cool, damp, and slightly swollen, with no dry, chalky patches or dusty grain on the surface.)


Prepare the Mushroom Rub

  1. Combine dried mushrooms in a food processor, and pulse until coarsely ground.

  2. Add salt, pepper, thyme, and lemon zest. Pulse until finely ground.

  3. Measure out 1 ½ tsp. mushroom rub and reserve (set aside).

  4. Transfer remainder (about ½ cup) to a small airtight container, and store for future use in a cool, dark, dry place. (Keeps up to 1 month, and is great for flavoring soup stocks and other dishes.)


Roast the Mushrooms

  1. Preheat oven to 400°F.

  2. Pat the soaked cedar plank dry with a paper towel.

  3. Lightly oil the side of the plank where the mushrooms will rest (prevents sticking).

  4. Mix the reserved 1 ½ tsp. mushroom rub with the olive oil, lemon juice, garlic, salt, pepper, and herbs.

  5. Place the cleaned, fresh mushrooms in a medium mixing bowl.

  6. Drizzle the seasoned mixture over the mushrooms and toss to coat.

  7. Arrange the seasoned mushrooms in a single layer in the center of the plank, leaving a small border of wood exposed around the edges.

  8. If any seasoning liquid remains in the bowl, you can drizzle a few drops over each mushroom.

  9. Transfer loaded plank to oven.

  10. Bake at 400°F until edges of the mushroom pieces are golden (10 to 12 minutes).*


Cool and Serve

  1. Transfer plank from oven to a trivet or heat-safe surface, and cool for 3 to 5 minutes.

  2. Use the plank as a dramatic, aromatic serving platter. (It will be hot, so place it on a sturdy, heat-resistant trivet on your table.)

  3. Garnish with thyme, rosemary, and sage sprigs and lemon slice.


* The damp wood will normally release a faint, wispy, white vapor, carrying a clean, aromatic cedar scent. This is the steaming process that flavors the food. However, if you see smoke (thick, gray or heavy white) and accompanied by a sharp, acrid, burning smell, it usually means the oven is too hot, the plank wasn't soaked long enough, or the wood is hanging too close to a heating element.

Recipe contributed:

March

2000

Northwestern Native American tribes have used cedar planks in their cooking for centuries. The planks were held near the fire, where the heat coaxed the wood into releasing its aromatic essence, which the food absorbed as it cooked.


You can make this recipe in your oven, with delicious results.

Objective:

Appetizer

Total Time:

1 to 2 hrs to hydrate plank + 20 mins to cook

Yield:

2 to 3 servings

Suggested Mushrooms:

  • Chanterelle (Cantharellus californicus, Cantharellus formosus, Cantharellus subalbidus)
  • Morel (Morchella sp.)
  • Porcini (Boletus edulis, Boletus regineus, Boletus rex-veris)
  • Portobello/portabella, champignon, cremini, button (Agaricus bisporus)
  • Shiitake (Lentinula edodes)

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Ingredients

Wild Mushroom Rub

0.4 oz. (about ¾ cup loosely packed) dried porcini

0.4 oz. (about ¾ cup loosely packed) dried morels

2 tsp. coarse salt

¼ tsp. freshly ground white pepper

1 ½ tsp. dried thyme

1 Tbsp. finely chopped lemon zest


Seasoned Mushrooms

6 oz. cremini, halved lengthwise

4 oz. portobello, trimmed and cut into 1 ½" pieces

2 oz. chanterelles, cut into 2" pieces

2 oz. shiitake, stemmed and halved

2 tbsp. olive oil

1 tsp. lemon juice, freshly squeezed

½ small clove garlic, minced

⅛ tsp. coarse salt

⅛ tsp. freshly ground black pepper

1 tsp. thyme, finely chopped

¼ tsp. rosemary, finely chopped

¼ tsp. sage, finely chopped

1 sprig thyme, for garnish

I sprig rosemary, for garnish

1 sprig sage, for garnish

1 ½" thick slice lemon, for garnish


A 5"x7" or 6"x12" untreated, culinary-grade cedar grilling or baking plank (available at grocery, specialty cooking, or hardware stores)

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