Lightly grease the slow cooker insert with cooking spray or butter to prevent sticking.
Place the halved baby potatoes into the bottom of the slow cooker in an even layer.
In a small mixing bowl, whisk together the olive oil, grated Parmesan cheese, minced garlic, dried thyme, dried oregano, salt, and black pepper.
Pour the seasoning mixture over the potatoes and toss gently until every potato is evenly coated.
Cover and cook on HIGH for 3 to 4 hours or on LOW for 5 to 6 hours, until the potatoes are fork-tender.
Optional: For extra crispy edges, transfer the cooked potatoes to a baking sheet and broil in the oven for 3 to 5 minutes.
Garnish with freshly chopped parsley and an extra sprinkle of Parmesan cheese before serving hot.