01 - Preheat the grill or a grill pan over medium-high heat.
02 - Coat chicken breasts with olive oil, garlic powder, smoked paprika, salt, and black pepper, ensuring an even distribution.
03 - Grill chicken breasts for 6 to 7 minutes per side, or until the internal temperature registers 165°F (74°C). Allow to rest for 5 minutes, then slice thinly across the grain.
04 - Steam or blanch broccoli florets until just tender, approximately 3 to 4 minutes. Drain and set aside.
05 - If utilizing grains, divide cooked brown rice or quinoa among four bowls as the base.
06 - In a mixing bowl, thoroughly whisk together Greek yogurt, mayonnaise, minced garlic, lemon juice, Dijon mustard, salt, and black pepper until smooth. Adjust seasoning to taste.
07 - Arrange steamed broccoli, sliced chicken, julienned carrot, and grains (if using) in each serving bowl.
08 - Top with creamy garlic sauce. Garnish with chopped parsley and lemon wedges. Serve promptly.