Preheat your oven to 400°F (200°C) and prepare a baking sheet with parchment paper.
Toss the broccoli florets with half of the olive oil and a pinch of sea salt, then spread them evenly on the baking sheet.
Roast the broccoli for 15 to 20 minutes until the edges are slightly charred and tender.
While the broccoli roasts, season the chicken breast with your favorite dried herbs, salt, and pepper.
Heat a grill pan or outdoor grill over medium-high heat and lightly grease with the remaining olive oil.
Grill the chicken for 6 to 7 minutes per side, or until the internal temperature reaches 165°F.
If not already prepared, cook the quinoa according to the package instructions using water or low-sodium vegetable broth.
Place the cooked quinoa in a bowl, top with the grilled chicken and roasted broccoli.
Finish the dish with a fresh squeeze of lemon juice for a bright, clean flavor.