Combine ground beef, rice, water, seasoned salt, garlic powder, black pepper, and celery salt, once it’s all mixed together, shape meatballs.
Pour 2 Tbsp olive oil in the Ninja Foodi Place meatballs in the Ninja Foodi scatter the sliced onions over the meatballs. Pour tomato sauce over the top.
Using the pressure lid, pressure for 20 minutes, do a QR
Then close the crisping lids, Select ROAST, set temp to 350* for 10 minutes