Ingredients

  • 14 cup shallot, finely chopped
  • 14 cup white wine vinegar
  • 14 cup dry white wine
  • 12 cup whipping cream
  • 3 tablespoons vegetable oil
  • 2 cups mushrooms, chopped
  • 2 medium zucchini, trimmed, cut into matchstick-size strips
  • 32 ounces halibut fillets (about 1 inch thick)
  • 12 cup butter, chilled and cut into pieces
  • 2 medium tomatoes, peeled, seeded, chopped (about 1 cup)
  • 2 tablespoons fresh spinach, chopped

Method

  • For Sauce:.
  • Combine shallots and vinegar in heavy small saucepan.
  • Boil until most of liquid evaporates, about 4 minutes.
  • Add wine; boil until most of liquid evaporates, about 3 minutes.
  • Whisk in cream.
  • Set sauce aside.
  • For Halibut:.
  • Preheat oven to 400F Heat 2 tablespoons oil in heavy large skillet over medium-high heat.
  • Add mushrooms and a dash of pepper.
  • Cook until mushrooms are deep golden brown, stirring frequently, about 12 minutes.
  • Add zucchini and saute 2 minutes.
  • Season to taste with salt and pepper.
  • Meanwhile, lightly oil baking sheet.
  • Place halibut on sheet and brush with remaining 1 tablespoon oil.
  • Bake until fish is opaque in center, about 10 minutes.
  • Bring sauce to simmer.
  • Reduce heat; add butter and whisk just until melted.
  • Remove from heat.
  • Mix in tomatoes and sorrel.
  • Season with salt and pepper.
  • Spoon Garlic Mashed Potatoes onto center of 4 plates.
  • Place halibut atop potatoes.
  • Arrange mushroom mixture around potatoes.
  • Spoon sauce over fish and serve.