01 -
Whisk together soy sauce, hoisin sauce, rice vinegar, and crushed red pepper flakes in a bowl until combined.
02 -
Add chicken thighs to the marinade and coat thoroughly. Allow to marinate for at least 30 minutes.
03 -
Place marinated chicken along with any remaining marinade into the crockpot.
04 -
Set slow cooker to low and cook for 4 to 5 hours, or alternatively on high for 2 to 3 hours.
05 -
Stir in sliced bell peppers and peanuts during the last 30 minutes of cooking to retain freshness and texture.
06 -
Ladle the cooked chicken over rice or noodles and garnish with additional peanuts if desired.