Hel Ovnbagt Pighvar med Sauce Hollandaise

Ingredients

Equipment Needed

• •Large oval roasting tin or baking tray, big enough to hold the whole turbot flat
• •Small saucepan for clarifying butter
• •Heatproof bowl and saucepan for the bain-marie
• •Balloon whisk
• •Steamer basket and pot
• •Palette knife or large fish slice for carving
• •Probe thermometer (optional but helpful)

Instructions

1. 1

   Prepare the turbot

   Take the turbot out of the fridge thirty minutes before you plan to cook it. A cold fish in a hot oven cooks unevenly: the edges dry out before the centre is done, and with a fish this good, that's a loss you can't afford. Rinse it under cold running water and pat it very dry with kitchen paper. With a sharp knife, score the dark skin side three or four times on the diagonal, cutting just through the skin but not into the flesh. These cuts let the heat penetrate evenly and stop the skin from buckling as it tightens in the oven. Season both sides generously with fine sea salt and white pepper. Tuck a few lemon slices and a couple of dill sprigs into the cavity. Set the fish aside while you start the potatoes.

   Ask your fishmonger to gut, trim, and remove the head if you prefer, though keeping the head on is traditional for tableside presentation. A good fishmonger will also trim the frilly fins that ring the turbot's flat body. If you're buying the fish a day ahead, store it on a plate set over ice in the coldest part of the fridge, loosely covered with paper.
2. 2

   Start the potatoes

   Put the scrubbed nye kartofler in a large pot and cover with cold water. Add a generous pinch of salt and the sprig of dill. Starting in cold water matters: it means the potatoes heat through evenly from centre to skin, so you don't end up with a soft exterior around a chalky core. Bring to a gentle simmer and cook for fifteen to twenty minutes, depending on their size, until a knife slides through the centre with no resistance at all. Drain, discard the dill sprig, and cover the pot with alid to keep them warm while the fish finishes.

   The first nye kartofler of the Danish summer are small, thin-skinned, and taste of the earth they came from. If you can find them, this is the dish that deserves them. The season decides.
3. 3

   Bake the turbot

   Heat the oven to 190C (375F). Butter a large oval roasting tin generously. The fish should sit in a slick of melting butter from the very start, so don't be shy. Lay the turbot in the tin, dark side facing up. The dark skin is thicker and tougher than the pale underside, and it acts as a natural shield, protecting the delicate white flesh beneath from the direct heat of the oven. Cut the 100g of butter into small pieces and scatter them across the surface of the fish. Arrange the remaining lemon slices around it in the tin. Place the tin on the middle rack and bake for twenty-five to thirty-five minutes, depending on the thickness of your fish. Every ten minutes, open the oven door and baste the turbot with the butter pooling in the tin. Use a large spoon and work quickly so you don't lose too much heat. The basting does two things: it builds a glossy, golden film on the skin that carries deep butter flavor, and it keeps the surface from drying.

   How do you know when it's done? Press the thickest part of the flesh near the backbone gently with your finger. It should feel firm but give slightly under the pressure. If you have a probe thermometer, the centre should read 52 to 55C. Or lift the flesh near the bone with the tip of a knife: it should be opaque white and pull away cleanly. Better to check early and give it three more minutes than to overcook. You can't undo dryness.
4. 4

   Clarify the butter

   While the fish bakes, clarify the 200g of butter for the hollandaise. Melt it in a small saucepan over low heat without stirring. As it melts, a white foam of milk solids will rise to the surface. Skim this away carefully with a spoon and discard it. What remains is pure, golden butterfat. Pour it slowly into a warm jug, leaving any milky residue behind in the bottom of the pan. You clarify the butter because pure butterfat emulsifies more reliably than whole butter. The water and milk solids in regular butter are what cause hollandaise to split. Remove them, and the sauce becomes far more forgiving. Keep the clarified butter warm but not hot.

5. 5

   Make the hollandaise

   Set a heatproof bowl over a saucepan of barely simmering water. The bowl must sit above the water, not in it. This is the single most important thing about hollandaise: indirect, gentle heat. If the bowl touches the water, the yolks scramble. There is no coming back from scrambled yolks. Add the three egg yolks and the tablespoon of cold water to the bowl. The cold water helps stabilize the emulsion from the start. Whisk constantly and vigorously until the yolks thicken, turn pale, and roughly double in volume. This takes two to three minutes. You'll see the whisk leaving trails that hold for a moment before dissolving. That's the moment. Remove the bowl from the heat immediately and begin adding the warm clarified butter in a very thin, steady stream, whisking without stopping. Go slowly at first, just drops, to build the emulsion. Once you see the sauce thickening and becoming glossy, like liquid satin, you can pour a little faster. When all the butter is incorporated, season with the lemon juice, a pinch of fine sea salt, and a few grinds of white pepper. Taste it. The sauce should be rich, silky, and bright with enough lemon to cut the richness of the butter. If it feels too thick, whisk in a few drops of warm water to loosen it. Keep the bowl in a warm spot with a cloth draped over it until you're ready to serve.

   If the hollandaise starts to look grainy or oily, it's beginning to split. Stop adding butter immediately. Whisk in a teaspoon of cold water and beat hard. This usually brings it back together. If it breaks completely, start with a single fresh yolk in a clean bowl and whisk the broken sauce into it, very gradually. It works. Don't panic. You'll know when it's right: it should coat the back of a spoon in a smooth, glossy layer.
6. 6

   Steam the spidskaal

   While the hollandaise rests, steam the quartered spidskaal. Set a steamer basket over a pot of boiling water, lay the cabbage wedges in a single layer, and cover. Cook for four to five minutes, until the thickest part yields to a knife but still holds its shape and offers a gentle bite when you taste it. Spidskaal cooked beyond this point turns limp and waterlogged, and it loses the fresh, almost sweet quality that makes it the right companion for a rich fish and a butter sauce. Transfer the quarters to a warm dish, dot with the 20g of butter, and season lightly with salt and white pepper. The butter melts on contact and glazes the leaves in a thin, shining coat.

   Spidskaal (pointed cabbage) is sweeter and more tender than round white cabbage, and it arrives at Danish markets in late spring and early summer, right alongside the new potatoes and the celebration season. If you can't find it, a young Savoy cabbage works, though the flavor is slightly different. What matters most is freshness and brief cooking.
7. 7

   Rest the turbot

   When the turbot is done, take the tin from the oven and let the fish rest for five minutes before you carve. Like meat, fish benefits from a brief rest. The residual heat finishes the cooking gently and evenly, and the flesh relaxes, which makes it easier to lift from the bone in clean portions. Spoon the pan butter over the surface of the fish one last time. The remaining dill sprigs can be tucked around the fish now for the presentation.

8. 8

   Carve and serve

   Bring the turbot to the table in its roasting tin, or transfer it carefully to a warm oval serving platter using two large fish slices. This is a dish that deserves a moment of arrival. To carve, run a palette knife along the natural line of the backbone from head to tail. Then slide the knife sideways between the flesh and the bone, working outward toward the edge. The flesh should lift away in broad, clean portions. Serve each piece on a warm plate with a generous spoonful of hollandaise pooling beside it, a few nye kartofler, and a wedge of the buttered spidskaal. Scatter the snipped chives over the potatoes and the fish. Squeeze a little fresh lemon juice over everything if you like. Serve immediately, while the hollandaise is still glossy and the butter on the fish still glistens. This is a dish that does not wait, and neither should your guests. Tak for mad.

   Once you've served the top fillets from both sides of the backbone, lift the skeleton away in one piece and serve the bottom fillets the same way. A whole turbot this size gives generous portions for four, or slightly smaller ones for six. Don't worry about carving perfectly. The fish is forgiving, and the flesh tells you where to go.

Chef Tips

• •Buy the turbot from a fishmonger you trust, and tell them what you're making. A good fishmonger will prepare the fish exactly as you need it and steer you toward the right size. Fresh pighvar from Danish or North Sea waters has firm, translucent flesh and smells clean, of the sea, never of fish. If it smells of anything else, walk away and make something different.
• •Hollandaise waits for nobody. Make it last, just before you serve. If you must hold it, keep the bowl in a warm spot (not over direct heat) and whisk it briefly before spooning. It holds for about fifteen minutes at most. After that it thickens, cools, and loses its shine. That shine is half the pleasure.
• •Real butter matters everywhere in this dish: in the roasting tin, on the cabbage, and above all in the hollandaise. This is not the evening for margarine or compromise. Butter is the flavor of the entire plate, and it should be good, unsalted, and generous.
• •If you've never carved a whole fish at the table before, practice the motion once before your guests sit down: knife along the backbone, slide sideways, lift. The turbot's bone structure is broad and flat, which makes it one of the most forgiving fish to carve. Confidence comes from understanding, and now you understand.

Advance Preparation

• •Buy the turbot the morning you plan to cook it, or the day before at the latest. Store it on a plate set over a tray of ice in the coldest part of your fridge, loosely covered with kitchen paper, not clingfilm.
• •The potatoes can be scrubbed and the cabbage quartered and cored several hours ahead. Keep them covered in the fridge until you're ready.
• •The butter for the hollandaise can be clarified hours in advance and rewarmed gently before you make the sauce. This saves valuable time when you're juggling the final minutes.
• •The hollandaise itself must be made just before serving. It does not reheat, it does not store, and it does not forgive. Plan your timing so it's the last thing you finish before the fish comes out of the oven.

Frequently Asked Questions

Nutrition Information

1 serving (about 480g)