Whisk the olive oil, garlic and thyme in a mixing bowl. Next slice the potatoes in half. Add to the bowl and mix well with a rubber spatula so they are completed coated. Stir in the salt and fresh cracked pepper. Coat well.
Preheat oven to 375 F. Add to a cast iron pan or casserole dish.
After 30 minutes, turn the potatoes over. After 1 hour, the outside should be crunchy with a tender inside.
Video
Notes
If you can't find the petite baby potatoes, any variety of potato will work.