Preheat oven to 425°F and brush a large baking sheet with oil.

In a small saucepan over medium heat, combine butter, hot sauce, and blue cheese, and season with salt. Whisk until butter and cheese have melted, 2 minutes. Remove from heat and let cool.

Meanwhile, in a medium bowl, stir together breadcrumbs, celery, garlic, egg, green onions, and onion powder and season with salt Add chicken and half the hot sauce mixture and mix until

combined.

Using a cookie scoop, form 1-inch meatballs and transfer to prepared baking sheet.

Bake until lightly golden, 15 to 17 minutes.

Drizzle remaining sauce over meatballs and sprinkle with green onions before serving.