Grilled Oyster Mushrooms
For the dressing
1/8 cup canola oil
1/8 cup olive oil
1/4 cup white truffle oil
1/4 cup lemon juice
1 tablespoon fine sea salt
1 teaspoon whole black peppercorns
For the mushrooms
2 pounds oyster mushrooms
1/4 cup canola oil
1/4 cup olive oil
1 tablespoon plus 1 teaspoon fine sea salt
1 tablespoon thyme leaves
1/4 cup sliced shallots
1 bunch flat-leaf parsley
1/2 cup grated Grana Padano
Freshly ground black pepper, to taste
For the dressing
Combine all of the ingredients in a jar or leakproof container and shake well to combine. Set aside.
For the mushrooms
Marinate the mushrooms in the canola oil, olive oil, 1 tablespoon of the salt, thyme, and shallots for 1 hour. Preheat the grill over high heat. Grill until caramelized and crispy on all sides. Toss the mushrooms with the dressing, parsley, cheese, remaining salt, and freshly ground black pepper, to taste.