In your slow cooker add the chicken, soy sauce, honey, hoisin sauce, garlic, rice vinegar, toasted sesame oil, and salt and pepper. Stir until well combined.
Cook in the slow cooker for 3-4 hours on high or 6-7 hours on low. Make sure to flip the chicken breast over when cooked halfway.
Once fully cooked, shred the chicken. I use a hand mixer for easy