Ingredients For the garlic butter: 3 cloves garlic 12 tablespoons (1 1/2 sticks) unsalted butter, at room temperature Finely grated zest and juice of 1 lemon 1 cup roughly chopped fresh parsley Kosher salt and freshly ground pepper   1 table spoon cajun seasoning (Optional) For the mushrooms: 16 large cremini mushrooms, stems removed 3 […]