Buffalo Chicken Meatballs

Name: Buffalo Chicken Meatballs
Ingredients: 1 pound ground chicken, preferably dark meat (thighs); 1 medium celery stalk, finely diced (about 1/4 cup); 1/2 medium carrot, finely diced (about 1/4 cup); 2 cloves garlic, minced; 2 scallions, 1 finely diced, 1 sliced on the bias for garnish; 1/3 cup crumbled blue cheese, plus more for garnish; 1/2 cup panko breadcrumbs; 1 large egg, beaten; One 12-ounce bottle Buffalo-style wing sauce (not hot sauce); Kosher salt and freshly ground black pepper; 1 tablespoon safflower oil