I picked this up up at Lowes Foods for a steal, I think I saved more than I spent or nearly so. Having all the tools ( I believe ) now to cook this properly, I want to make sure I do so. Any suggestions on techniques or recipes would be greatly appreciated. Thus far this is where I am at:
The Sous Vide recipes I have seen call for coating the tenderloin with EVO and S&P (or adding a sprig of thyme and black truffle oil), then cooking at 130F/54C for one hour. After that pat dry, re-season and put it on the Weber. I will likely skip the salt as I intend to start the dry brine tonight.
I have seen Breadhead's post where he served this with a Bearnaise sauce. I also saw kmhfive's post where he let it bathe in the HTTM for 2.5 hours and thought it should have been longer.
If I make a Béarnaise sauce I will probably use this Serious Eats recipe.
Ingredients
1/4 cup white wine vinegar
1/2 cup dry white wine
3 sprigs tarragon, leaves finely minced, stems reserved separately
3 sprigs chervil, leaves finely minced, stems reserved separately (optional; if not using add an extra sprig of tarragon)
1 small shallot, roughly chopped
1/2 teaspoon whole black peppercorns
2 egg yolks
Kosher salt
1 1/2 sticks (12 tablespoons) unsalted butter
Directions
1. Combine vinegar, wine, herb stems, shallots, and black peppercorns in a small saucepan. Bring to a simmer over medium-high heat and lower heat to maintain a gently simmer. Cook until reduced to about 1 1/2 tablespoons of liquid, about 15 minutes. Carefully strain liquid through a fine mesh strainer into a small bowl, pressing on the solids with the back of a spoon to extract as much liquid as possible.
2. Combine vinegar reduction, egg yolk, and a pinch of salt in the bottom of a cup that barely fits the head of an immersion blender. Melt butter in a small saucepan over high heat, swirling constantly, until foaming subsides. Transfer butter to a 1-cup liquid measuring cup.
3. Place head of immersion blender into the bottom of the cup and turn it on. With the blender constantly running, slowly pour hot butter into cup. It should emulsify with the egg yolk and vinegar reduction. Continue pouring until all butter is added. Sauce should be thick and creamy. If it is thin and runny, transfer to a large bowl set over a pot of barely simmering water. Whisk constantly and vigorously until sauce is thickened. Season to taste with salt. Whisk in chopped tarragon and chervil. Serve immediately, or transfer to a small lidded pot and keep in a warm place for up to 1 hour before serving. Béarnaise cannot be cooled and reheated.
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