1. Preheat oven to 400°. Combine garlic and olive oil; let steep 40 minutes.
2. Roast potatoes in a shallow baking pan at 400° on the middle oven rack for 40 minutes or until potatoes are tender.
3. "Punch" each potato, exposing the flesh, by whacking with a rolling pin or meat mallet. Arrange potatoes on a warm serving dish.
4. Strain olive oil, and drizzle over potatoes; sprinkle with kosher salt and pepper.