1. Preheat oven to 400°F.
2. Prepare rice according to package directions. Add juice of 1 lime & 1/4 cup cilantro. Mix well & set aside.
3. In a medium bowl, whisk together flour, garlic powder, chipotle powder & pepper. Generously coat chicken in flour mixture.
4. Lightly coat baking sheet with cooking spray. Add chicken, peppers & corn to sheet. Roast 15 minutes per side until chicken is golden brown & fully cooked.
5. Top with onions, remaining lime juice & cilantro. Serve over rice.