01 - In a large mixing bowl, whisk together the olive oil, minced garlic, grated Parmesan cheese, lemon juice, dried Italian herbs, salt, black pepper, and crushed red pepper flakes until well combined.
02 - Add the cubed chicken to the marinade and toss thoroughly to ensure all pieces are evenly coated. Cover the bowl with plastic wrap and refrigerate for at least 30 minutes, or up to 2 hours for deeper flavor penetration.
03 - Preheat your grill to medium-high heat, approximately 375°F to 400°F. If using wooden skewers, soak them in water for at least 20 minutes beforehand to prevent burning during grilling.
04 - Remove the chicken from the marinade and thread the pieces onto skewers, leaving a small gap between each cube to promote even cooking and proper charring on all sides.
05 - Place the skewers on the preheated grill and cook for 5 to 7 minutes per side, turning once, until the chicken is cooked through to an internal temperature of 165°F and has developed a light char on the exterior.
06 - Transfer the grilled skewers to a serving platter and allow them to rest for 2 to 3 minutes. Sprinkle generously with chopped fresh parsley and additional grated Parmesan cheese.
07 - Serve the skewers hot alongside fresh lemon wedges for squeezing over the chicken. Pairs well with a light summer salad or grilled vegetables.