01 -
In a mason jar or food processor, combine olive oil, apple cider vinegar, lemon juice, onion powder, garlic powder, Italian seasoning, salt, pepper, sugar, and liquid smoke. Secure the lid and shake vigorously, or blend until fully emulsified.
02 -
Transfer the diced chicken tenderloin pieces to a zip-top bag. Pour the marinade over the chicken, seal the bag, and remove excess air. Massage the marinade into the chicken to ensure even coverage. Refrigerate for at least 30 minutes, up to 4 hours.
03 -
Brush a ridged grill pan with olive oil to coat the raised ridges. Heat on medium for at least 5 minutes until hot.
04 -
Remove chicken from the marinade, discarding any excess liquid. Arrange the chicken pieces onto the preheated grill pan. Cook without moving for 4 minutes or until the chicken easily releases when flipped.
05 -
Turn the chicken pieces and cook for an additional 3–4 minutes, or until the internal temperature reaches 165°F and the nuggets are cooked through.
06 -
Remove the cooked chicken nuggets from the pan and let rest briefly before serving with your favorite dipping sauce.