Cookwith - Filet Mushroom Award: Grilled King Oyster “Steak” with Charred Broccolini & Lemon-Garlic

Ingredients

• 4 large king oyster mushrooms (about 1 lb), cut lengthwise into 1-inch thick planks
• 2 tbsp olive oil
• 1 1/2 tsp kosher salt, divided
• 1/2 tsp freshly ground black pepper
• 2 bunches broccolini, ends trimmed
• 1 lemon, zested and juiced
• 2 tbsp chopped fresh parsley
• 2 cloves garlic, finely minced
• 1/4 cup toasted walnuts, finely chopped (optional, omit for nut allergy)
• 1 tsp capers, drained and chopped
• 1/4 tsp crushed red pepper flakes (optional)
• Flaky salt, for finishing