Otherwise, they’ll cook unevenly. Test Kitchen Tip: Use a cookie scoop to guarantee evenly sized meatballs. Step 3: Put the ...

Preheat oven to 400°F. Cover a rimmed sheet pan ... Option 2 (Fully Cooked Meatballs): Fully cook and cool the meatballs.

Pour the tomato sauce all over the meatballs and onions, turn the oven down to 200C/180C Fan/Gas 6 and bake for 35 minutes more. Check the meatballs are cooked through and the sauce has thickened.

Pour over the meatballs and sprinkle with the mozzarella. Return to the oven and cook for a 20-25 minutes, or until the cheese has melted and browned and the sauce is bubbling. Serve immediately ...

Bake meatballs for 20–25 minutes until browned and cooked through to internal temperature of 160° F. After removing from oven, let meatballs rest for a few minutes.

Spread sauce over bottom of 13"x9" baking dish; add meatballs. Bake until sauce is heated, 8–10 min. Remove from oven. Heat broiler. Broil until meatballs are lightly browned, 2–3 min.