arugula

  photo credit: Antonis Achilleos   Ingredients: 4 6-ounce cod fillets Kosher salt and freshly ground pepper 4 tablespoons extra-virgin olive oil, plus more for drizzling 8 ounces white button mushrooms, sliced 2 shallots, finely chopped 2 tablespoons red wine vinegar, plus more for drizzling 2 teaspoons whole-grain mustard 1 tablespoon chopped chives 1 tablespoon chopped fresh parsley 2 bunches...