Add chicken to crockpot.
Whisk sesame oil, broth, soy sauce, honey, garlic, ginger + 1 tbsp cornstarch, then pour over chicken.
Cook on LOW 6–8 hrs or HIGH 4 hrs.
Make a slurry: Mix 2 tbsp cornstarch + 2 tbsp water; Stir slurry stir into crockpot, mix well.
Add broccoli on top, cover, cook 30 minutes on HIGH until tender.
Serve over rice or cauliflower rice.