This 4-ingredient oven chicken meatball casserole is the kind of easy dinner that saves a busy weeknight. Using frozen chicken meatballs keeps prep wonderfully simple, and with just a jarred sauce, cheese, and pasta added to the dish, you can have a warm, bubbly meal that feels hearty and homemade without much fuss. It has that cozy baked-casserole appeal families love, and it is especially handy when you need something filling with very little planning.
Serve this with a crisp green salad, steamed broccoli, garlic bread, or simple roasted green beans to round out the meal. If you want to stretch it for bigger appetites, a side of buttered noodles or a small bowl of fruit makes it feel like a full family supper, and a sprinkle of extra Parmesan at the table is always welcome.
4-Ingredient Oven Chicken Meatball Bake
Servings: 4 to 6
Ingredients
1 bag (20 to 24 ounces) frozen chicken meatballs
1 jar (24 ounces) marinara or pasta sauce
2 cups shredded mozzarella cheese
8 ounces dry penne or rotini pasta
Directions
1. Preheat your oven to 375°F. Lightly grease a 9x13-inch glass casserole dish. Cook the pasta in salted water until just barely tender, about 2 minutes less than package directions, then drain.
2. Spread the drained pasta in the prepared casserole dish. Add the frozen chicken meatballs and pour the marinara sauce evenly over the top. Stir gently to coat everything well.
3. Cover the dish tightly with foil and bake for 30 minutes, until the meatballs are heated through and the sauce is bubbling around the edges.
4. Remove the foil, sprinkle the mozzarella evenly over the top, and return the dish to the oven for 10 to 15 minutes more, until the cheese is melted and lightly golden. Let it rest for 5 minutes before serving.
Variations & Tips
For picky eaters: If your family likes very simple flavors, use a smooth marinara without vegetable chunks and save a little extra mozzarella for the top. That creamy cheesy finish often makes this an easy win at the table.
Make it heartier: Stir in a little cooked spinach or sautéed mushrooms with the sauce if you want to add vegetables. You can also serve it over extra pasta if you need to feed a few more people.
Cheese swap: Mozzarella gives that classic stretchy topping, but an Italian blend or a little Parmesan mixed in adds extra flavor. Just keep the total amount of cheese close to 2 cups so the casserole stays nicely balanced.
Helpful tip: Because frozen meatballs vary in size, check that they are piping hot in the center before serving. Letting the casserole rest for a few minutes after baking also helps the sauce settle so it serves up more neatly.