How do you cook frozen meatballs in the oven?

Preheat the oven to 350 degrees. Place the meatballs on a baking sheet. Cover the meatballs with aluminum foil. Whether you need cooked meatballs to serve with spaghetti, cooked pasta, rice, or mashed potatoes, plan to make sandwiches or simply serve them with a tasty barbecue sauce as an appetizer, cooking frozen meatballs is quick and easy.