4boneless skinless chicken breasts or 4-6 boneless chicken thighs
Whisk together vinegar, chili powder, garlic powder, onion powder, salt, pepper, and lime juice. Combine with chicken in a zip lock bag, press the excess air out, and seal. Chill for 30 minutes or up to 8 hours.
Preheat grill to medium-high. Use tongs to transfer chicken to the grill, then discard the marinade and bag.
Grill for 6-10 minutes on each side or until cooked through. Serve with lime wedges and cilantro if desired.