Spray CrockPot with cooking spray.
Add cubed potatoes to CrockPot; drizzle lightly with olive oil and gently toss.
Sprinkle seasonings evenly over potatoes, gently toss to distribute.
Place lid on CrockPot and cook on HIGH for 3-4 hours.
Serve immediately.
For an added touch, sprinkle freshly grated Parmesan over potatoes before serving!