- Place the chicken thighs in the slow cooker. 
- In a medium bowl, whisk together the peanut butter, soy sauce, honey, rice vinegar, garlic, ginger, and red pepper flakes until smooth. 
- Pour the peanut sauce over the chicken in the slow cooker, ensuring the chicken is well coated. 
- Add the chicken broth to the slow cooker and stir gently to combine. 
- Cover and cook on low for 6-8 hours or on high for 3-4 hours, until the chicken is tender and easily shredded. 
- Once cooked, shred the chicken using two forks and stir it back into the sauce. 
- Serve the peanut chicken over cooked rice or quinoa, and garnish with chopped green onions and peanuts.