Sous Vide Turkey Breast

Step 1
Prepare a thermocirculator and water bath according to manufacturer's directions. Set thermocirculator to 145 degrees F (63 degrees C) and allow water bath to come up to temperature.

Step 2
Season turkey breast evenly with 1 teaspoon salt and transfer to a large vacuum-sealable bag; arrange thyme sprigs, sage sprigs, and butter cubes around turkey breast in the bag. Seal bag with a vacuum sealer according to manufacturer's directions. Transfer vacuum-sealed turkey breast to warm water bath with thermocirculator, cover vessel with aluminum foil to reduce evaporation, and cook for 2 hours.

Step 3
While turkey is cooking, cook sugar in a medium nonstick pan over medium heat, without stirring, until deeply caramelized, 6 to 8 minutes. Reduce heat to low and carefully add vinegar (mixture will begin to boil immediately and sugar will crystalize), and cook, stirring frequently, until sugar is completely dissolved, 3 to 4 minutes. Add blood orange juice, increase heat to medium-high, and continue cooking, stirring occasionally, until bubbles begin to thicken slightly and mixture becomes syrup-like in consistency, 10 to 12 minutes; season with salt to taste. Remove blood orange mixture (gastrique) from heat and set aside at room temperature to cool slightly until ready to use.

Step 4
Preheat the oven to 450 degrees F (230 degrees C) with an oven rack positioned in top third of oven.

Step 5
Remove turkey breast from bag and transfer to a rimmed sheet pan lined with aluminum foil and fitted with a wire rack; discard contents remaining in bag (the meat will be at 145 degrees F (63 degrees C) when pulled from water bath).

Step 6
Gently pat turkey breast dry with paper towels and brush turkey skin with oil; season turkey breast evenly with remaining 1 teaspoon kosher salt and pepper. Place turkey breast, skin-side up, on the prepared sheet pan.

Step 7
Cook in the preheated oven until skin is crispy and golden brown, and a thermometer inserted into the thickest portion registers 155 degrees F (68 degrees C), 12 to 15 minutes. Remove turkey breast from oven and let rest at room temperature for 5 minutes.

Step 8
Using a knife, carefully remove turkey breast from bone; discard bones. Slice turkey breast against the grain into 1/4- to 1/2-inch thick pieces; serve with blood orange gastrique.