Ready in no-time, this is the perfect side dish for a busy night.
Combine oil, garlic, and rosemary in a 2-quart microwave-safe baking dish with a lid. Cover, and microwave on high until garlic is fragrant, 1 minute. Stir in potatoes. Cover, and microwave on high until potatoes are tender, 13 to 15 minutes. Season with salt and pepper.