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1
PREP THE SALMON: Rinse and dry the salmon filet; divide into four portions; sprinkle with 1/2 tsp dill weed, salt and pepper to taste; then dredge in the cornstarch and set aside for 15 minutes while you prepare the sauce.
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2
PREPARE THE SAUCE: Heat a nonreactive saucepan over medium heat and add 1 tsp olive oil; when oil is hot, add the onion and garlic and saute until onion is translucent.
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3
Add the mushrooms, dill weed, and thyme, and saute until mushrooms have released their liquid.
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4
MEANWHILE: Preheat oven to 400 degrees F; Heat a heavy, oven-proof skillet (cast iron preferred) over medium high heat.
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5
RETURN TO SAUCE: Combine the lemon juice and wine (and cornstarch if not using xanthan gum), and add to the mushroom mixture; Bring to a boil, then simmer on low heat for 5 minutes; Remove from heat and set aside.
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6
SEAR THE SALMON: Place 1 tsp each olive oil and butter in the hot skillet; Swirl around to coat the bottom; Place the salmon filets in the skillet (skin side up), and sear for about 3 minutes, or until a nice brown crust has formed.
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7
Carefully turn the filets over so the skin side is now down; Then set the skillet in the preheated oven and roast for about 8-10 minutes, or until center is cooked through; remove from oven and set aside to rest.
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8
FINISH THE SAUCE: Place the mushroom wine mixture in a blender or food processor along with the 1/2 cup of half and half and xanthan gum; blend until smooth and thickened; microwave as needed to re-heat but do not allow to boil.
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9
SERVE salmon with sauce on the side; garnish with fresh parsley, slices of lemon, and dill weed, if desired.
