Preheat your grill or grill pan over medium-high heat. If roasting the broccoli in the oven, preheat to 425°F.
Season the chicken breast with salt, pepper, and garlic powder. Drizzle a little olive oil over it to prevent sticking.
Grill the chicken for about 6-7 minutes on each side until fully cooked and the internal temperature reaches 165°F. If using a grill pan, ensure the pan is lightly oiled.
While the chicken cooks, toss the broccoli florets with a drizzle of olive oil, salt, and pepper. Roast in the oven for 15-20 minutes until tender and slightly crispy on the edges.
Prepare the quinoa according to package instructions if not already cooked. Fluff with a fork once ready.
Once the chicken is done, let it rest for a few minutes before slicing.
Assemble the plate with a serving of quinoa, roasted broccoli, and sliced grilled chicken. Drizzle the entire dish with lemon juice for a burst of flavor.
Serve immediately and enjoy your balanced, nutrient-packed lunch.