Mix together mix together chicken, onion, garlic, celery flakes, cheese, salt, pepper and just enough breadcrumbs to hold it together. Roll into individual balls.
Preheat oven to 350.
Spray cookie sheet with cooking spray. Roll meatballs lightly to coat. Bake for approximately 15 minutes, turning meatballs several times to completely brown and thoroughly cooked.
sauce
While meatballs are cooking, Add all sauce ingredients to a saucepan. Bring to a boil and reduce heat to simmer. Cook until vegetables soften about 15 minutes.
Add meatballs to sauce and simmer for about an additional 15 minutes.
While sauce and meatballs cook, prepare spaghetti according to package directions.
Serve.
Recipe by Cindy's Recipes and Writings at https://www.cindysrecipesandwritings.com/chicken-meatballs-and-spaghetti-sundaysupper/