Whisk together honey, garlic, soy sauce, oregano, and ketchup in a small mixing bowl.
Add the chicken thighs, baby potatoes, carrots, and onions to a slow cooker.
Pour the sauce mixture on top. Cover the slow cooker and seal the lid.
Cook on a low for about 3 hours.
About 30 minutes before serving, add the green beans to the slow cooker.
Remove the chicken and vegetables to serving plates using a slotted spoon.
Optional: Broil the chicken thighs for about 3 minutes to brown the skin.
Garnish with optional chopped parsley. Serve and enjoy!