Preheat oven to 375°.
Wash potatoes, dry well & quarter lengthwise. Coat a heavy baking sheet with oil; arrange potatoes on sheet. Rub them well all over with olive oil, then dust with salt. Bake, basting every 15 minutes with oil, until well browned and cooked through. When potatoes are almost tender, heat ¼ cup olive oil in small skillet over moderately low heat. Add garlic & cook 1 minutes, stirring constantly. Strain, setting garlic aside & reserving oil for another use.
Transfer potatoes to a warm serving platter, sprinkle with garlic and parmesan. Serve immediately.
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