Preheat your oven to 400°F and line a baking sheet with parchment paper.
Toss the broccoli florets with 1 teaspoon of olive oil, half of the garlic powder, salt, and pepper.
Spread the broccoli on the baking sheet and roast for 15-20 minutes until the edges are crispy and slightly charred.
While the broccoli roasts, season the chicken breast with the remaining garlic powder, salt, and pepper.
Heat a grill pan or outdoor grill over medium-high heat and lightly coat with the remaining 1/2 teaspoon of olive oil.
Grill the chicken for 6-7 minutes per side, or until the internal temperature reaches 165°F.
Prepare the quinoa according to package directions if not using pre-cooked portions.
Slice the grilled chicken into strips.
Assemble the bowl by placing the fluffy quinoa at the base, topped with the roasted broccoli and sliced chicken.
Drizzle the entire dish with fresh lemon juice before serving.