Marinate the Chicken
In a zip-top bag or shallow container, combine the olive oil, lime juice, paprika, cumin, chili powder, garlic powder, onion powder, oregano, salt, and pepper.
Add the chicken breasts.
Seal and coat the chicken evenly with the marinade.
Refrigerate for at least 30 minutes or up to 8 hours.
Cook the Chicken
Preheat a grill pan or outdoor grill to medium-high heat.
Remove the chicken from the marinade.
Grill for 5–7 minutes per side or until fully cooked and the internal temperature reaches 165°F (74°C).
Transfer to a cutting board and rest for 5 minutes.
Slice into thin strips.
Prepare the Rice
In a small bowl, combine the cooked brown rice, lime juice, chopped cilantro, salt, and black pepper.
Toss until evenly mixed.
Assemble the Bowls
Divide the mixed greens between two serving bowls.
Add a portion of cilantro-lime rice to each bowl.
Top with sliced grilled chicken.
Divide the black beans, corn, avocado, cherry tomatoes, red onion, and jalapeño slices between the bowls.
Add a dollop of Greek yogurt.
Garnish with additional cilantro.
Serve immediately and enjoy.