01 -
In a large mason jar or bowl, combine olive oil, apple cider vinegar, lemon juice, onion powder, garlic powder, Italian seasoning, salt, black pepper, sugar, and liquid smoke. Shake or whisk vigorously to emulsify.
02 -
Place diced chicken tenderloins in a large zip-top bag. Pour the marinade over the chicken. Remove excess air, seal, and massage gently to distribute the marinade. Refrigerate for at least 30 minutes and up to 4 hours.
03 -
Add 2 tablespoons of olive oil to a ridged grill pan or cast iron grill pan. Use a basting brush or paper towel to evenly grease the ridges. Heat pan over medium heat for 5 minutes.
04 -
Drain marinade from the bag and discard. Add marinated chicken pieces in a single layer to the preheated pan. Cook undisturbed for 4 minutes or until the chicken releases easily from the pan.
05 -
Turn over each nugget and cook an additional 3–4 minutes, or until the chicken is fully cooked and internal temperature reaches 165°F. Remove from pan and serve immediately with preferred sauce.