Grilled Fingerling Potatoes with Crumbled Blue Cheese Sauce

Grilling lends a smoky flavor to potatoes that cannot be achieved with any other cooking method. The best potatoes to grill-roast are either new red potatoes or small waxy potatoes, such as fingerlings. While traveling and ruminating on potato recipe ideas for this book, I met a friend for a drink and we enjoyed an appetizer of Idaho potato skins with a blue cheese dipping sauce. It made me think about how good a blue cheese sauce can be, especially one packed with fat crumbles of cheese an