1/2cupbutter(cold, cut into small pieces, plus 1/2 Tbsp to cook fish)
1/4cupfresh orange juice
1/4tsporange blossom water
salt and pepper(to taste)
Instructions
Cooking fish in sous vide (30-60 minutes)
Set sous-vide machine to 53.5ºC/128ºF, cook fish in water for 30-60 minutes. Sear on either side in a hot pan with butter after removed from water.
OR
Cooking fish in oven (approximately 15 minutes)
Cook fish in buttered pan at 400ºF/205ºC, flipping halfway through, until internal temperature of fish reaches desired level of doneness.
Sauce
Place shallots, wine, and vinegar in a pot and place over medium-high heat. Allow them to boil down until almost no liquid remains. Turn heat down to low. Start adding the cold butter in small increments, whisking constantly between adds. Just before the last few pieces of butter, remove from heat, add last pieces of butter and whisk until smooth. Add orange juice and orange blossom water. Salt and pepper to taste. Strain sauce.