Grilled Salmon with Mustard Sauce

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Ingredients

1. 5 tablespoons extra-virgin olive oil
2. 5 tablespoons minced tarragon
3. Four 6-ounce salmon fillets with skin
4. Salt and freshly ground pepper
5. 2/3 cup crème fraîche
6. 1/4 cup Dijon mustard
7. 2 tablespoons drained prepared horseradish

1. Light a gas grill or preheat a cast-iron grill pan. In a bowl, mix 3 tablespoons of the olive oil with 3 tablespoons of the tarragon and rub it over the salmon. Let stand for 5 minutes, then season with salt and pepper and grill over medium-high heat, turning once, until crisp on the outside and just barely cooked through, 8 minutes. Transfer to a plate.
2. Meanwhile, in a small bowl, combine the crème fraîche, mustard, horseradish and the remaining olive oil and tarragon. Season the sauce with salt and pepper, spoon over the salmon and serve.