Pierre Troisgros is a giant in the world of cooking. This dish — one of his masterpieces — was said to have changed the face of French cookery back in the ’60s, when he and his brother Jean won their third Michelin star.

Like most culinary masterpieces, it is a thing of elegant simplicity…if you have what is needed. Fish stock. Creme fraiche. Sorrel. I will tell you how to make the first two, but fresh sorrel is difficult to find, even in season. I’ll give you a workaround for that, too. See the Notes section, below.

This recipe is not difficult, but it may take you to foodie places you’ve never been before.

Trust me, though. This dish is so worth the journey.

Salmon à la Troisgros

Makes 4 servings

Ingredients

• 2 thick (or 4 thin) salmon fillets, deboned and skinned
• 2 cups fish stock (see Notes for easy recipe)
• 2 medium shallots, chopped finely
• 2–3 white mushrooms, chopped finely
• 1/3 cup dry white wine
• 3 tablespoons dry vermouth
• 1 1/4 cups creme fraiche (see Notes for easy recipe)
• 4 ounces fresh sorrel leaves, washed and stemmed (see Notes for substitutions)
• 4 ounces unsalted butter, cut into eight knobs
• Freshly squeezed lemon juice
• Coarsely ground salt and pepper

Procedure

Prepare the Salmon

• Debone the fillets: Run your fingers against the grain to feel the pin-bones and pull them out with pliers or strong tweezers.
• Skin the fillets: Place each fillet skin-side down on a cutting board and, with a thin, long-bladed knife, slice just between the skin and the flesh.
  • The skin and bones can be used in making the fish stock (see Notes).
• Trim the fillets: If you have two thick fillets, using the same cutting board and knife, slice them in half through the thickness (i.e., knife blade held parallel to the board) to make four fillets of equal thinness.
  • Some recipes call for pressing the fillets down to flatten them further, but I feel this destroys too much of the texture, especially if you cannot find high quality salmon, so I say avoid it.

Prepare the Sauce

• Combine fish stock, shallots, and mushrooms in a saucepan and bring to a boil. Cook down to a glaze (10–15 minutes at high boil).
• Add wine and vermouth. Cook down further, reducing once more to a syrupy glaze (5 minutes or so).
• Add creme fraiche and boil until thickened (2–3 minutes).
• Pour sauce through a fine-mesh strainer into a clean bowl. Clean out saucepan, return strained sauce to it, and return pan to stove over a medium heat..
• When rewarmed, add the sorrel leaves and let them cook for about 30 seconds only. Remove from heat. Add the butter, a few knobs at a time, and stir gently to melt and incorporate.
• Season with lemon juice, salt, and pepper. Set aside.

Final Procedure

• Prepare serving dishes to receive sauce and fish.
• Bring a non-stick skillet up to medium-high heat.
• Season the less-pretty side of the salmon with salt and pepper.
• Place the salmon in the hot skillet, pretty side down (seasoned side up). Cook for 30 seconds, then turn, and cook for an additional 15 seconds. (Don’t fret, the fish will continue to cook on the plate, in the sauce.)
• Ladle sauce into each plate (include some of the sorrel), and place salmon (seasoned side down) in the sauce.
• Serve immediately.
• Pairs very well with salad of melon (honeydew or casaba), arugula, and slivers of cold-soaked green onion.

Notes

This dish requires three things you may not have in your pantry or fridge: fish stock, creme fraiche, and fresh sorrel. You can easily make the first two and get around the seasonal vicissitudes of the sorrel harvest. Here’s how.

• Fish Stock
  • Fish stock is quick and easy, and for this recipe, you don’t need much (two cups). I like a very simple fish stock, with few additions. Use trimmings from fish like the skin from the salmon in this recipe, or use the shells you saved from the shrimp or prawns you peeled last week.
  • Take 4–6 ounces of fish trimmings, shrimp/prawn shells, and/or fish meat. Avoid hard shells like crab (they add too much mineral taste) and molluscs (too little flavor). Put it in a pan with three cups water. Add half an onion. Bring to a low boil for about 30 minutes. Strain off the broth.
• Creme Fraiche
  • You cannot substitute sour cream here — too sour — but you can substitute heavy cream and a last-minute dash of lemon juice. Making creme fraiche isn’t hard, though.
    • Take two cups heavy whipping cream and pour it into a glass jar. Add three tablespoons buttermilk. Stir, cover, and let sit at room temperature 8–24 hours, the longer the better. It will thicken and develop a slight tang. Great over omelets, it’ll keep in the fridge for a week or so.
• Fresh Sorrel
  • Good luck finding fresh sorrel out of season — or in season, for that matter — and you cannot substitute dried sorrel. Some folks will substitute spinach, but it lacks the acidic flavor this dish requires.
  • I recommend substituting fresh arugula. It adds a peppery/radishy flavor, and is available year-round. Prepare it exactly as the sorrel, but toss with a squeeze of fresh lemon juice after you stem the leaves.

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