Lightly grease the crockpot with cooking spray or a little oil.
Place the diced potatoes, carrots, onion, and garlic into the bottom of the slow cooker.
Season the chicken breasts with salt, pepper, paprika, and Italian seasoning.
Lay the seasoned chicken over the vegetables.
Pour the chicken broth and olive oil over everything.
Cover with the lid.
Cook on LOW for 6 hours or HIGH for 3–4 hours until the chicken is tender.
Shred or serve the chicken whole as desired.
Stir everything gently before serving.
Garnish with fresh parsley and enjoy warm.