Boiled new potatoes are certainly appealing, but when you take them a couple steps further by seasoning them, smashing them, and grilling them, they become downright irresistible. The skins crisp and char, while the insides stay creamy and tender. A little garlic powder and fresh rosemary boosts the savory notes, and an optional sprinkling of flaky sea salt at the end lends satisfying salty crunch.