Ingredients

  • 5 tablespoons extra-virgin olive oil, plus more for finishing the sauce if you like
  • 6 tablespoons unsalted butter
  • 6 gray or lemon sole fillets, approximately 2 1/2 pounds
  • Salt
  • Freshly ground black pepper
  • All-purpose flour for dredging
  • 12 thin lemon slices
  • 5 cloves garlic, peeled
  • 3 tablespoons tiny capers, drained
  • 1/4 cup fresh lemon juice
  • 1/4 cup dry white wine
  • 1/2 cup Vegetable Stock (page 76) or water
  • 2 tablespoons chopped fresh Italian parsley

Method

  • Preheat the oven to 250 F. Heat the 3 tablespoons of the olive oil and 4 tablespoons of the butter in a large, heavy skillet over medium-high heat until the butter is foaming.
  • Meanwhile, season the fillets with salt and pepper and dredge them in the flour to coat both sides lightly.
  • Gently lay as many of the fillets into the pan as fit without touching.
  • Cook just until the underside is lightly browned, about 4 minutes.
  • Flip them gently with a wide metal spatula and cook until the second side is browned and the fish is opaque in the center, about 2 minutes.
  • Transfer them with the spatula to a baking sheet and keep them warm in the oven.
  • Repeat if necessary with the remaining fillets, adjusting the heat under the skillet to prevent the bits of flour in the pan from burning.
  • When all the sole fillets have been browned, carefully wipe out the skillet with a wad of paper towels.
  • Add the remaining 2 tablespoons olive oil and the remaining 2 tablespoons butter and return to medium heat.
  • When the butter is foaming, slide in the lemon slices and garlic and cook, stirring gently, until the lemon slices are sizzling and lightly browned.
  • Remove the lemon slices and set them aside.
  • Stir in the capers and heat until they are sizzling, about 1 minute.
  • Pour in the lemon juice and wine, bring to a boil, and cook until reduced by about half.
  • Pour in the vegetable stock, bring to a boil, and boil until the sauce is lightly thickened, about 2 minutes.
  • If you like, drizzle in a tablespoon or two of olive oil to enrich the sauce.
  • Sprinkle in the parsley and taste, seasoning with salt and pepper if you like.
  • Remove the sole from the oven and set 1 fillet in the center of each plate.
  • Top each fillet with 2 of the lemon slices.
  • Spoon the sauce around the fillets, dividing it evenly.
  • Serve immediately.