You can add your frozen chicken to the marinade and allow it to thaw while soaking up the flavors. The longer you allow it to marinade – the better! Anything in the 2-3 hour range is great (although I’ve tossed mine in first thing in the morning and then cooked it at dinner and it was perfect).
Find it online: https://www.pennypinchinmom.com/easy-weknight-chicken-fajitas/