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1
Preheat oven to 375 degrees F.
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2
In a food processor add hazelnuts and pulse 4 times at 5-second intervals.
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3
Add panko to the hazelnuts and pulse again for 10 seconds.
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4
Season the sole with salt and pepper, to taste, and lightly dust the sole with flour, shaking off the excess.
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5
Dip the sole into egg whites coating entirely, shaking off excess, press into hazelnut breading.
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6
Refrigerate for 10 minutes or up to 24 hours.
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7
Heat a large saute pan on medium heat.
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8
Add 2 ounces canola oil and the sole.
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9
Cook for approximately 1 minute, checking carefully with a spatula to make sure they are golden brown.
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10
Flip and continue cooking for 1 minute longer and then transfer to sheet pan.
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11
Repeat the process with the remaining oil and sole.
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12
Place the baking sheet in the preheated oven for 8 to 10 minutes (depending on thickness of fillet) or until fish is cooked through but still moist.
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13
Cook the potatoes through in a 6-quart stock pot with 4 quarts of salted water for approximately 30 minutes.
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14
Drain potatoes well.
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15
Beat with an electric mixer on low speed.
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16
Add half-and-half, shallot puree and salt and pepper, to taste.
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17
Cover and keep warm.
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18
In a pot big enough to hold all the vegetables, bring salted water to a boil.
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19
Drop in vegetables and cook until al dente, approximately 2 minutes, drain well.
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20
Toss back in pot, season with salt and pepper and add butter, if using.
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21
Keep warm until ready to serve.
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22
Reduce the Marsala wine and shallots in a heavy bottom pan over medium-high heat and reduce to 1/2 cup.
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23
Add heavy cream and bring back to simmer.
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24
Whisk in the cornstarch and water mixture, also known as a slurry.
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25
Reduce heat to low, whisk occasionally for 1 minute longer.
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26
Remove from heat.
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27
Add softened butter, 1-ounce at a time, whisking until smooth.
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28
Season with salt, pepper, hot sauce and Worcestershire sauce.
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29
Serve immediately.
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30
Divide potatoes among 6 to 8-inch plates, placing them in the center.
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31
Place the Menemsha sole on top.
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32
Top 1 corner of the sole with 2 ounces of Marsala Wine Buerre Blanc.
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33
Arrange the vegetables around the plate, garnish with chives.