Preheat grill to medium heat. Season chicken with salt and pepper. Grill over medium heat 8-10 minutes per side, or until juices run clear and chicken is no longer pink. Let rest 5 minutes. Slice into thin slices.
Salad
Arrange spinach evenly among 4 salad bowls. Top with strawberries. Fan chicken over spinach. Sprinkle with pecans. Dress as desired.