01 -
Spray inside of slow cooker crock lightly with cooking spray.
02 -
Place potatoes in the slow cooker.
03 -
Whisk together butter, olive oil, garlic, Parmesan cheese, Italian seasoning, salt, and pepper in a small bowl.
04 -
Pour sauce mixture over potatoes and gently mix to coat all potatoes.
05 -
Cover and cook on HIGH for 3-4 hours or LOW for 5-6 hours until potatoes are tender.
06 -
Sprinkle with additional Parmesan cheese and parsley before serving if desired.