- Preheat the oven to 400 degrees.
 - Add the meatballs, jar of sauce, water, pasta an Italian seasoning to a high sided oven-proof pot or skillet. Stir to combine.
 - Bake covered for 35 minutes.
 - Top with cheeses and bake for an additional 10-15 minutes. Let sit for 10 minutes before serving.
 
Dump and Bake Meatball Casserole