Sous Vide Poached Chicken with Lemon-Tarragon Cream

Ingredients

• 2 pounds (906 mL) boneless skinless chicken breasts
• Kosher salt and freshly ground black pepper
• 1/2 cup (118 mL) mayonnaise
• ½ cup (118 mL) heavy cream
• 3 tablespoons (45 mL) finely chopped tarragon
• 3 tablespoons (45 mL) finely chopped scallion
• 1 tablespoon (15 mL) minced shallot
• 2 tablespoons (30 mL) lemon juice
• pinch of cayenne pepper