Dump-and-Bake Meatball Casserole | Easy, Cheesy Weeknight Favorite

This Dump-and-Bake Meatball Casserole is the ultimate easy comfort meal β€” cheesy, hearty, and packed with savory meatballs, tender pasta, and rich marinara sauce. Best of all, there’s no need to pre-cook the pasta, making this recipe incredibly simple and perfect for busy weeknights.

Everything bakes together in one dish for a cozy family dinner with minimal prep and maximum flavor.

Why You’ll Love This Meatball Casserole

  • Super easy dump-and-bake recipe
  • One-pan dinner with minimal cleanup
  • Cheesy and comforting
  • Perfect for busy weeknights
  • Family-friendly meal
  • Hearty and filling

Ingredients

  • 1 bag (20 oz) frozen meatballs
  • 2 cups uncooked pasta (penne or rotini)
  • 3 cups marinara sauce
  • 3 cups water or beef broth
  • 2 cups shredded mozzarella cheese
  • 1/2 cup parmesan cheese
  • 1 tsp Italian seasoning
  • Fresh parsley for garnish

Optional Additions

  • Mushrooms
  • Bell peppers
  • Spinach
  • Chili flakes
  • Garlic powder

How to Make Dump-and-Bake Meatball Casserole

Step 1: Prepare the Baking Dish

Grease a large casserole dish lightly.

Step 2: Add the Ingredients

Into the baking dish, add:

  • Uncooked pasta
  • Marinara sauce
  • Water or broth
  • Italian seasoning

Stir to combine evenly.

Step 3: Add the Meatballs

Place the frozen meatballs evenly over the pasta mixture.

Step 4: Cover and Bake

Cover tightly with foil and bake at:

190∘CΒ forΒ 35–40Β minutes190^\circ C\text{ for }35\text{–}40\text{ minutes}

Bake until the pasta becomes tender.

Step 5: Add the Cheese

Remove the foil and sprinkle:

  • Mozzarella cheese
  • Parmesan cheese

evenly over the top.

Step 6: Finish Baking

Return to the oven uncovered and bake for:

10–15Β minutes10\text{–}15\text{ minutes}

Bake until the cheese is melted, bubbly, and golden.

Step 7: Garnish and Serve

Top with fresh parsley and serve hot.

What to Serve with Meatball Casserole

This casserole pairs perfectly with:

  • Garlic bread
  • Caesar salad
  • Roasted vegetables
  • Garlic knots
  • Side salad

Pro Tips

  • Use beef broth instead of water for richer flavor.
  • Don’t skip covering with foil or the pasta may dry out.
  • Stir halfway through if needed for even cooking.
  • Add extra cheese for a gooier casserole.
  • Fresh herbs brighten the flavor beautifully.

Storage Tips

  • Store leftovers in the refrigerator for up to 4 days.
  • Reheat in the oven or microwave.
  • Freeze portions for easy future meals.

Frequently Asked Questions

Can I use homemade meatballs?

Absolutely! Homemade meatballs work perfectly.

Can I use another pasta shape?

Yes! Rotini, penne, rigatoni, or ziti all work well.

Can I make this spicy?

Definitely. Add chili flakes or spicy marinara sauce.