Baked Spaghetti Casserole
Craving a cozy, family-friendly meal that’s comforting, hearty, and incredibly easy to make?
This Baked Spaghetti Casserole checks all the boxes!
Packed with a rich, savory meat sauce, perfectly cooked pasta, and a bubbly, golden cheese topping, this dish brings all the comfort of traditional spaghetti just in a more satisfying, sliceable form. Whether you’re feeding a crowd or prepping a weeknight dinner, this casserole delivers big flavor with minimal effort.
It’s the kind of meal that disappears fast and keeps everyone coming back for seconds!
If you love creamy, cheesy comfort foods, you’ll also enjoy my Potatoes au Gratin recipe a rich and indulgent side dish perfect for holidays or weeknight dinners.
Why You’ll Love This Baked Spaghetti Casserole
- Easy to prepare and perfect for feeding a family
- Full of cheesy, saucy, comforting flavors
- Great for make-ahead meals
- Kid-friendly and always a crowd-pleaser
- Freezer-friendly for busy nights
- A delicious twist on classic spaghetti
Baked Spaghetti Casserole
Notes
- 16 ounces spaghetti
- ¼ cup fresh parsley (or 2 tablespoons dried)
- 1 ½ cups shredded mozzarella cheese (about 6 oz)
- ⅓ cup shredded Parmesan cheese
- 1 pound lean ground beef or Italian sausage
- 1 small onion, diced
- 2 cloves garlic, minced
- 1 ½ teaspoons Italian seasoning
- ½ teaspoon salt (or to taste)
- 1 green bell pepper, diced
- 32 ounces pasta sauce or marinara
- 1 can (14.5 oz) diced tomatoes with juices
Break it apart as it browns and drain any excess fat.
Stir in the marinara sauce and diced tomatoes, season with salt, and simmer for 5–10 minutes. 4. Combine Pasta & Sauce Mix the cooked spaghetti and parsley into the sauce until well combined. 5. Assemble the Casserole Transfer everything to the prepared baking dish and top with mozzarella and Parmesan cheese. 6. Bake Bake for 25–30 minutes, or until the cheese is melted, golden, and bubbling. Let it cool slightly before slicing and serving! Nutrition (Per Serving) Calories: 413 Carbs: 53g Protein: 28g Fat: 10g Saturated Fat: 5g Cholesterol: 55mg Sodium: 1054mg Fiber: 5g Sugar: 9g Vitamin A: 945 IU Vitamin C: 28mg
Calcium: 216mg Iron: 4mg
Frequently Asked Questions
Can I use whole wheat or gluten-free spaghetti?
Yes! Whole wheat spaghetti adds a nuttier flavor, and gluten-free spaghetti works perfectly as long as you don’t overcook it.
Can I use a different type of meat?
Absolutely. You can use ground turkey, chicken, or even a plant-based meat alternative for a lighter option.
Can I make this casserole vegetarian?
Yes—simply omit the meat and add extra veggies like mushrooms, zucchini, spinach, or bell peppers.
How do I prevent the casserole from drying out?
Make sure your sauce isn’t too thick before baking. You can add a splash of water or broth if it looks too dry.
Can I add extra spices for more flavor?
Definitely! Crushed red pepper flakes, smoked paprika, or extra Italian seasoning work great.
Does this recipe reheat well?
Yes this casserole reheats beautifully. Add a splash of marinara or water before microwaving to keep it moist.
Conclusion
This Baked Spaghetti Casserole is the perfect blend of comfort, simplicity, and irresistible flavor. With tender pasta, a rich homemade meat sauce, and plenty of melty cheese on top, it transforms everyday ingredients into a crowd-pleasing meal that’s ideal for busy weeknights, potlucks, or cozy family dinners. It reheats beautifully, freezes well, and can be customized with extra veggies or lighter cheese options making it as flexible as it is delicious.
If you love hearty comfort dishes like this, you may also enjoy exploring classics such as Potatoes au Gratin, which offer the same satisfying, home-cooked warmth in every bite.
Serve this casserole with a fresh salad or garlic bread, and you’ve got a complete, comforting dinner that everyone will request again and again!
