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Ingredients
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Whole Fish & Seasoning
Summer Herb Filling
To Serve
Method
Whole Fish & Seasoning
Preheat and prepare fish
Preheat the oven to 220°C (425°F). Pat the Cornish sole dry inside and out with paper towels. Using a sharp knife make two shallow diagonal slashes on each side of the fish to allow heat to penetrate and flavors to infuse.
Season the cavity and outer skin lightly with kosher salt and freshly ground black pepper. Drizzle 1 tablespoon of olive oil over each fish and rub gently to coat the surface and into the slashes.
Summer Herb Filling
Make herb butter
In a medium bowl combine the softened unsalted butter, chopped parsley, chives, tarragon, dill, minced garlic, lemon zest, chopped capers and 2 tablespoons dry white wine. Mix until evenly distributed and season with a pinch of salt and a small grind of black pepper. The mixture should be soft and spreadable.
Fill the fish
Divide the herb butter mixture evenly between the two fish. Gently spoon or push the herb butter into the cavity of each sole and into the slashes on the skin so that herbs sit close to the flesh. Reserve a small amount of the herb mixture (about 1 teaspoon each) for finishing if desired.
Roasting & Finishing
Place the filled sole on a rimmed baking sheet lined with parchment or in a lightly oiled ovenproof baking dish, skin side up. Drizzle the remaining 1 tablespoon of olive oil evenly over both fish.
Roast in the preheated oven on the middle rack for 8–12 minutes, depending on thickness — the fish is done when flesh flakes easily with a fork, is opaque, and registers about 55–60°C (130–140°F) at the thickest part.
If you like a lightly browned top, finish under a hot broiler for 1–2 minutes, watching carefully to avoid burning the herbs.