Sous Vide: Beef Brisket Flautas, 7 Layer Terrine

About
Sous vide guarantees us a consistent texture suitable for making numerous Tex-Mex dishes with shredded meat--this one especially so.
Ingredients
Beef brisket, 1 lb/450 g.
Kosher salt, 2 teaspoons/lb/450 g.
Vegetable oil, 2 tablespoons.
Corn tortillas, 5 each. If preferred, flour tortillas can also be used.
Shortening or lard, 1 quart/1 liter.
Seven layer terrine
Refried beans, start with one can, 12 oz/350 g.
Cheese, cheddar, grated, approximately 1 oz/30 g.
Olives, sliced, start with 1 can, 12 oz/350 g.
Avocado, 0.5 each.
Sour Cream, approximately 1 oz/630 g.
Lettuce, 0.25 heads.
Cilantro, a few sprigs.
Salsa Fresca, generic, approximately 3 oz.
Frank's Red Hot sauce, approximately 1 oz/30 ml.
Grape tomatoes, 3-4.
Salsa Fresca
Onion, minced, 0.5 each.
Tomatoes, 5 oz/140 g, neatly diced.
Jalapeño peppers, 1 teaspoon, chopped--don't touch your eyes or face after handling.
Cilantro, 1 Tablespoon, chopped.
lemon or lime juice, 1 Tablespoon.
Kosher salt, 1 teaspoon.
Equipment requirements
Immersion circulator, portable or stationary.
Heat rated container, minimum of 2 gallons/8 liters.
Lipavi L10 rack or larger.
Heat rated sous vide bags.
Kitchen tongs, metal.
Probe thermometer.
Cylindrical mold, 1 each (available on line).
Thick bottomed skillet, 12"/325 mm or larger.
Infrared thermometer.
Sauce pot, 3 qt/3 liter.
Colander, medium sized.
Paper towels.
Instructions
Serves 2 Level of difficulty 2.5

Procedure:
Preheat the sous vide bath to 165 F/74 C Season the brisket with the kosher salt. Heat the thick bottomed skillet to 250 F/121 C before adding the oil to the pan. This prevents the oil from burning while the pan heats up (see note below). Add the brisket to the pan. Brown well on all sides--if the roast has an "edge" you can stand it up against the side of the pan to achieve uniform color all around. This process should take no more than half an hour. Turn off the burner and let the roast sit in the pan while it cools enough to be easily handled. Note: Other than for deep frying, oil should never be added to the pan in advance to "heat up." In small amounts, oil heats almost instantly to the temperature of the surface of the pan. Seal the brisket in a vacuum bag and process for 24 hours. After the interval has elapsed, shock the package in iced water until it achieves 70 F/21 C--about 15 minutes. Refrigerate to 40 F/4 C before proceeding.Erecting the pyramids
Toss together the ingredients of the salsa fresca. Set aside.

Frying gets a bad rap
People blame deep fried food for contributing an excessive amount of oil to our diets. This is inaccurate and unfair to the technique. If the correct temperatures are used, French fries or a deep fried taquito will contain no more oil than the buttered toast that we eat for breakfast. Deep frying heats food to the boiling point of water--all the way to the center. This is why deep fried foods always seem hotter than foods prepared by other methods. As the food in the fryer approaches the boiling point, the water in the food becomes steam. The steam forces the oil away from the food--this is why the food appears to bubble and boil while it is frying. As long as the food is bubbling, the oil is being repelled. The faster the interior achieves 212 F/100 C, the less oil will remain. When food in the fryer stops bubbling, you may see it float to the surface of the fryer. Why? The available water in it has been converted to steam, so the food becomes less dense than the oil. At this point, there is no doubt that it is "done." It may even be done before this happens, depending on the food itself and the application. The very crispest French fries are no longer boiling when they are removed from the hot oil.Failure to lunch
Most people neglect to monitor the temperature of the oil. When the oil is not hot enough, it will soak into the food before enough steam is created to force it out. Even if your oil eventually achieves the correct temperature, it is already too late. No matter how long you leave the food in the now heated oil, it will still taste "greasy." In the other extreme, overheating oil damages its chemical structure. This creates rancidity and an unpleasant flavor almost instantly. Overheating changes the characteristics of the oil enough to no longer be effective in heating the food properly. The food burns on the outside before the inside can create enough steam to repel the oil. Most people have experienced this, but never really think about it and blame the process.Probing the depths
Always use a thermometer to monitor the temperature of your oil, even if you are using a deep fryer with a temperature display. It is normal for the oil to go down to as low as 250 F/121 C while it catches up to the effect of adding the cold food--then it comes back up. It should not be allowed to go below 250 F/121 C while frying.Shredding is not only for guitarists
Dip the sealed pouch into hot tap water for a minute or two. This will melt the gel in the pouch. Open the bag and save the sous jus for another application. Pat the meat dry and shred by repeatedly pulling off long strips with the grain. This makes the meat easier to wrap in the tortillas. Set aside. Place a paper towel on a medium sized plate and set next to the stove. Heat the oil in the skillet to 300 F/150 C. Stage a tortilla into the hot oil for approximately five seconds to soften it--the tortilla will wilt and start forming large bubbles. Carefully remove from the oil and place on top of the paper towel. It will be "oily" at this point--this will be corrected by hot oil later. Repeat the process until all the tortillas are stacked up. Turn off the burner.The magic flute
Lift the stack of softened tortillas off of the plate and stage onto the work surface. Save the plate; you are going to use it again in a minute.

We who are about to fry...
Line the colander with paper towels and set the colander on top of the sauce pan. This is to strain the oil when you are done frying. Very important. Set aside.
Conservation of energy
The tortillas will brown on the bottom very quickly--do not multi task at this point. If the phone rings, ignore it. Barricade the entrance to the kitchen if necessary. When the flautas are brown on the bottom, gently and slowly turn them over with tongs or a fork. Brown the other side. Turn off the burner. Remove the flautas one by one, and stage back on to the plate with the paper towel. Think of all the dishes that we just avoided washing! Strain the oil through the paper towel now so you don't have to do it later.




