Cook and shred the chicken. Add taco seasonings (or use this recipe). Cut onions into thin slices (rings) and caramelize over medium heat with the olive oil and brown sugar. Layer tacos on warm tortillas with chicken, onions, cheese, and cilantro.
Haylee’s Note: My sister Heather gave me this recipe and I LOVED it!!! You have to give it a try!! They are the best!!