11. Season chicken breasts with kosher salt and cracked black pepper. Grill over medium-high heat until internal temperature reaches 165°F, about 6-7 minutes per side.
22. Let chicken rest for 5 minutes, then slice into thin strips against the grain.
33. Whisk dressing ingredients in a small bowl until smooth and creamy. Refrigerate for 15 minutes to allow flavors to meld.
44. Arrange mixed greens on a large platter. Layer sliced chicken, strawberries, blueberries, mandarin oranges, and candied pecans.
55. Drizzle poppyseed dressing generously over the salad. Garnish with sliced green onions.