01 -
Cut the chicken breasts into uniform 2.5 cm cubes. If using wooden skewers, soak them in water for at least 30 minutes to prevent burning.
02 -
In a medium bowl, whisk together Parmesan cheese, white vinegar, extra-virgin olive oil, lemon juice, garlic powder, dried oregano, onion powder, crushed red pepper flakes, salt, and black pepper until thoroughly blended.
03 -
Add the chicken cubes to the marinade, ensuring they are evenly coated. Cover and refrigerate for a minimum of 30 minutes and up to 12 hours for fullest flavor.
04 -
Thread marinated chicken cubes onto 8 metal or soaked wooden skewers. If desired, alternate with pieces of zucchini, bell pepper, and onion.
05 -
Preheat your grill or flat top cooking surface to medium heat with the lid closed to ensure an even temperature.
06 -
Place the skewers on the preheated grill. Cook with the lid closed for about 5 minutes per side, turning once, or until the internal temperature of the chicken reaches 71°C.
07 -
Remove the cooked kebabs from the grill and serve immediately while hot.