Preheat your grill or grill pan over medium-high heat.
Season the chicken breast with salt, pepper, and any preferred herbs or spices.
Grill the chicken for about 6-7 minutes per side, or until fully cooked and the internal temperature reaches 165°F.
Meanwhile, if starting with raw quinoa, cook according to package instructions. If using pre-cooked quinoa, warm it slightly.
Toss broccoli with olive oil, salt, and pepper, then spread evenly on a baking sheet.
Roast the broccoli in a preheated oven at 425°F for about 15 minutes, until tender and slightly crispy on the edges.
Plate the ingredients by setting a bed of quinoa, topping with sliced grilled chicken, and arranging the roasted broccoli on the side.
Serve warm and enjoy your balanced, protein-packed lunch.