Sous Vide: Pork Tenderloin Persillé–2020

This economically priced cut combined with a French inspired presentation adds an unexpected WOW factor to the overall experience.


Pork tenderloin, 1 each, approximately 1 lb/450 g.
Egg whites, 1 each, mixed with 1 oz/30 ml water.
Bread crumbs, 1 cup/120 g.
Garlic powder, 1 teaspoon.
Dried parsley, 2 Tablespoons.

Optional ingredients (as per the photographs).
Broccoli florets, about 12 each, blanched in boiling water, drained, shocked in cold water and set aside.
Carrots, 2 each, cut into desired shapes, cooked in boiling water, drained, shocked in cold water and set aside.
Melted butter, 1 oz/30 g.
Salt and pepper, to taste.
Popcorn, a few pieces.
Mashed Potatoes, 1 recipe (2 cups/0.5 L), made in advance and kept warm.
Stovetop Demi-glace, reduced to 1 cup/225 ml, or equivalent (there are packaged versions available).

Equipment requirements
Immersion circulator, portable or stationary.
Lipavi heat rated container, minimum of 2 gallons/8 liters.
Lipavi L15 rack or equivalent.
Heat rated sous vide bags.
Paper towels.
Cast iron broiler pan or thick bottomed skilled, approximately 12″/30 cm.

Serves 3+
Level of difficulty: 3

Preparing the tenderloin

Remove the tenderloin from the packaging and stage onto a clean work surface.

Many people ignore the plainly visible sheet of silver-skin that runs about half the length of the muscle.

This connective tissue is not particularly tough. However, it can tend to shrink and curl during the process of cooking, altering the shape of the muscle and catching in the teeth. It is easy to remove.

Hold the tenderloin at the left end (assuming you are right handed). Insert a boning knife under the skin just to the right of your hand.

Drag the knife along to the right, removing the silver skin in two strips. The option of cutting the tenderloin in half lengthwise makes it easy to stage into the sous vide pouch.


Preheat the sous vide bath to
135 F/57 C.

Stage the pork tenderloin into heat rated vacuum bags and process for 5 hours. This combination of temperature and time will pasteurize the protein.

After processing, shock the sealed pouches in iced tap water to 70 F/21 C before refrigerating. This is a very important safety procedure. The air in refrigerators/freezers is not capable of cooling the pouches fast enough to meet food safety guidelines. After shocking, refrigerate at 40 F/4 C until you are ready to move on to the next step.


Submerge the sealed pouch for 5-10 minutes in a preheated sous vide bath or hot tap water (110+ F/44+ C). This will fully melt the gel. Cut open the bag, drain the juices and set aside. Click HERE  to learn how to clarify the juices for use in any recipe that calls for stock or water.

Remove the tenderloin from the pouch and pat dry with a paper towel.

Cut into 6 uniform “tournedos.”

Coat lightly with the egg white solution.

Sprinkle lightly with salt and pepper, or use one of our dedicated rubs linked HEREThe one pictured is a slight variation on our Cajun Spice Blend. Preheat the oven to 400 F/200 C.

Drizzle with a few drops of oil or a spray release like PAM. Preheat a skillet or cast iron broiler pan to 350 F/176 C. Rub the pan with a paper towel dipped in oil if desired.

Sear the tournedos on both sides until the desired appearance is achieved. They do not need to be fully heated through because they are going to be finished in the oven before service.

Use a pastry brush to apply a thin layer of Dijon mustard.

Sprinkle with the seasoned crumbs.

Drizzle with a few drops of oil or spray release. Bake the coated tournedos until the crust forms. Meanwhile, heat the melted butter in a skillet and toss the carrots and broccoli in the pan with a pinch of salt and pepper.

Arrange the potatoes and vegetables on the plate, shingle two of the tournedos on top and drizzle the plate with the reduced espagnol. Place 2-3 pieces of popcorn around the plate.

Norm King






Whether designated to entertain guests or merely as a weeknight family meal, this simple preparation utilizes readily available ingredients to create a layered flavor profile.


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