Prepare the Slow Cooker:
Lightly grease your slow cooker with cooking spray or olive oil.
Season the Chicken:
Rub chicken with olive oil, salt, pepper, thyme, rosemary, and basil.
Layer Ingredients:
Add chicken to the crockpot, then add rice, minced garlic, and onion.
Add Liquids:
Pour in chicken broth, lemon juice, and lemon zest. Stir gently to mix.
Cook:
On Low: 5–6 hours
On High: 2½–3 hours
(Cooking time may vary depending on your slow cooker.)
Add Cheese (Optional):
In the last 15 minutes, stir in Parmesan for a creamy texture.
Fluff and Serve:
Once cooked, fluff rice with a fork and garnish with parsley or lemon slices.