Sous Vide Poached Chicken with Spring Vegetable Salad

Name: Sous Vide Poached Chicken with Spring Vegetable Salad
Ingredients: 2 pounds (906 mL) boneless skinless chicken breasts; Kosher salt and freshly ground black pepper; 3 tablespoons (45 mL) mayonnaise; 1 tablespoon (15 mL) lemon juice; 1 tablespoon (15 mL) champagne vinegar; 1 tablespoon (15 mL) creamy Dijon mustard; 1 teaspoon (5 mL) minced fresh garlic; 2 teaspoons (10 mL) minced shallot; 2 tablespoons (30 mL) extra-virgin olive oil; 4 sprigs fresh tarragon leaves; 1 cup (237 mL) thinly sliced radishes; 1 cup (237 mL) frozen green peas, thawed; 1 cup (237 mL) asparagus tips, blanched; 1 cup (237 mL) pea shoots