Grilled Pizza with Fingerling Potatoes, Blue Cheese and Caramelized Onions

Do you know what’s a fingerling potato? Those are these small, elongated potatoes. Don’t think they’re any normal underdeveloped potato! It’s completely mature, and as good as any other kind of potato. That’s why this grilled potato pizza uses them. The addition of blue cheese and caramelized onions are a boon, they fit these potatoes…