Melt butter in a large nonstick skillet. Stir in almonds, sugar, and 1 tablespoon water. Cook, stirring constantly, 2 minutes or until sugar melts and coats almonds. Spoon almonds onto wax paper, and set aside.
Preheat grill to medium-high heat (350° to 400°) or grill pan over medium-high heat. Brush oil evenly on chicken; sprinkle with salt and pepper. Grill chicken, turning once, 10 minutes or until cooked through. Cut into strips.
Toss spinach with Strawberry Vinaigrette to taste. Top with chicken strips, strawberries, and reserved sugared almonds.