How to Make It
Place a large rimmed baking sheet in oven. Preheat oven to 450°F (leave pan in oven as it preheats).
Place chicken in a medium bowl. Drizzle with 1 1/2 teaspoons oil, and sprinkle with cumin, garlic powder, and 1/4 teaspoon salt; toss well to coat.
Place sweet potato in another medium bowl. Drizzle with 1 tablespoon oil, and sprinkle with chili powder and 1/2 teaspoon salt; toss well to coat.
Cut onion in half vertically; cut each half into 6 wedges.
Carefully remove hot baking sheet from oven. Coat pan with cooking spray. Arrange chicken mixture on one side of pan, then onion wedges in the middle, and sweet potato mixture on the other side of pan. Bake at 450°F for 12 minutes.
Place bell peppers and zucchini in bowl used for sweet potatoes. Drizzle with remaining 1 tablespoon oil, and sprinkle with remaining 1/4 teaspoon salt; toss well to combine. Remove pan from oven. Stir sweet potatoes and chicken; push to outer edges of pan. Add bell peppers and zucchini to onion wedges in middle of pan. Bake at 450°F for 12 minutes or until sweet potatoes are tender.
Increase heat to high broil (do not remove pan from oven). Broil 2 to 3 minutes or until chicken is lightly browned.
Divide chicken, sweet potatoes, and bell pepper mixture evenly among 4 portable, microwave-safe containers. Spoon 2 tablespoons pico de gallo into small sauce containers, and place one in each container.