Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper for easy cleanup.
Mince the garlic clove and finely chop the fresh rosemary and thyme leaves.
In a small mixing bowl, whisk together the extra virgin olive oil, lemon juice, minced garlic, rosemary, thyme, sea salt, and black pepper.
Place the chicken breast and the trimmed asparagus spears onto the prepared baking sheet in a single layer.
Drizzle the herb and oil mixture over both the chicken and the asparagus, using your hands or a brush to ensure everything is evenly coated.
Roast in the center of the oven for 18 to 22 minutes, or until the chicken reaches an internal temperature of 165°F and the asparagus is tender and lightly browned.
Remove from the oven and let the chicken rest for 5 minutes before slicing.
Serve the roasted chicken and asparagus over the warm cooked quinoa, drizzling any remaining pan juices over the top.