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Dump and Bake Meatball Casserole

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A no-fuss, all-in-one casserole featuring uncooked pasta, juicy meatballs, and rich marinara, topped with melted mozzarella—a comforting, crowd-pleasing dish straight from oven to table.

Ingredients

16 oz (about 4 cups) uncooked rotini (or penne, ziti, etc.)

24 oz jar marinara sauce

3 cups water (or chicken/beef stock for richer flavor)

1424 oz package fully cooked meatballs, thawed

2 cups shredded mozzarella cheese

Kosher salt, to taste

Optional: ¼ cup grated Parmesan

Optional: chopped basil or parsley

Optional: Italian seasoning

Instructions

  1. Preheat oven to 425°F (220°C).
  2. In a greased 9×13″ dish, add uncooked pasta, marinara sauce, water or stock, thawed meatballs, and salt. Stir to combine.
  3. Cover tightly with foil and bake for 30–35 minutes, stirring halfway through. Pasta should be al dente.
  4. Remove foil, stir gently, then top with mozzarella (and Parmesan if using). Bake uncovered for another 5–15 minutes, or until cheese is melted and bubbly.
  5. Optionally broil for a golden top.
  6. Let rest for 5 minutes. Sprinkle with fresh herbs if desired and serve warm.

Notes

Use any short pasta shape like penne, ziti, fusilli, or elbows.

Try alternative sauces like Alfredo or vodka sauce.

Boost nutrition with added vegetables like spinach or bell peppers.

Mix in ricotta or layer with provolone for added richness.

To make ahead, assemble and refrigerate up to 24 hours before baking.

Nutrition