Season the chicken breast evenly on both sides with sea salt, black pepper, and ground cumin.
Heat 0.5 tbsp of extra virgin olive oil in a large skillet over medium-high heat.
Place the chicken in the skillet and sear for 6 to 8 minutes per side until the exterior is golden and the internal temperature reaches 165°F.
Remove the chicken from the pan and set it aside to rest for 5 minutes.
In the same skillet, add the sliced red bell pepper and yellow onion, sautéing for 4 to 5 minutes until they are tender-crisp.
In a small bowl, whisk together the remaining 0.5 tbsp of olive oil, lime juice, minced garlic, and finely chopped cilantro to create the sauce.
Slice the chicken into strips and serve it over the warm cooked quinoa and sautéed vegetables.
Drizzle the zesty cilantro-lime sauce over the chicken just before serving.