Rinse quinoa thoroughly under cold water for 1-2 minutes. Heat 1 tablespoon olive oil in a saucepan, add quinoa and toast for 1-2 minutes. Add broth, bring to boil, reduce heat, cover and simmer for 15 minutes. Remove from heat and let steam for 5 minutes. Fluff and cool.
Preheat oven to 425°F (218°C). Combine spices in a bowl. Rub chicken with oil and coat with spices. Roast for 18-22 minutes until internal temperature reaches 165°F. Rest for 10 minutes before slicing.
Prepare and combine all vegetables and corn in a large bowl. Season lightly with salt and pepper.
Drain and rinse beans and chickpeas. Combine and season with a pinch of cumin and salt.
Combine all dressing ingredients in a jar with a tight-fitting lid. Shake until emulsified. Divide into 5 small containers.
Divide ingredients among 5 meal prep containers: ¾ cup quinoa, 3-4 ounces chicken, ½ cup bean mixture, and 1 cup vegetable mixture. Sprinkle with cilantro. Refrigerate immediately.