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The Best Oven Baked Spaghetti Recipe

If you’re craving a comforting, no-fuss dinner that feels like a warm hug on a plate, then you’re going to love this! The Best Oven Baked Spaghetti Recipe is an irresistible, all-in-one dish that combines the heartiness of Italian flavors with the convenience of baking everything together. It’s packed with rich tomato sauce, aromatic herbs, tender spaghetti, and gooey mozzarella, all baked to perfection in one dish.

Why You Should Make This Recipe

Effortless one-dish meal: No boiling pasta separately or fussing over multiple pots—just combine and bake!
Deliciously cheesy and saucy: Every forkful bursts with a perfect balance of melted mozzarella and seasoned tomato sauce.
Perfect for busy weeknights: Minimal prep and hands-off baking means more time to relax.
Customizable and forgiving: Easily add ground beef, veggies, or swap seasonings to fit your taste.

A white oval baking dish holds a baked pasta dish with about three layers visible: the bottom layer is reddish pasta sauce with noodles, the middle layer shows baked cheese melting into the spaghetti strands, and the top layer is golden brown melted cheese with slightly browned spots. The top is sprinkled with finely chopped green herbs and small green leaves, with a few small basil leaves adding decoration. The dish sits on a white marbled surface, and in the background, there is a small bowl with red chili flakes. photo taken with an iphone --ar 2:3 --v 7 - Oven Baked Spaghetti, baked spaghetti recipe, easy spaghetti casserole, cheesy baked pasta, comforting Italian dinner

Ingredients & Substitutions

Here’s the magic behind this simple recipe: straightforward ingredients that each play a key role in creating a comforting, flavorful, and visually inviting dish. The spaghetti soaks up all those delicious juices, the garlic and onion add depth, and the mozzarella brings that incredible, melty finish we all crave.

Flat lay of uncooked golden spaghetti noodles neatly coiled, a glossy jar of rich red pasta sauce with visible tomato chunks, fresh whole garlic cloves beside finely sliced white onion rings, a small heap of dried green oregano leaves, a handful of coarse black peppercorns, and a pile of soft, shredded white mozzarella cheese, all beautifully arranged with natural light highlighting their textures, placed on a white marble surface, photo taken with an iphone --ar 2:3 --v 7 - Oven Baked Spaghetti, baked spaghetti recipe, easy spaghetti casserole, cheesy baked pasta, comforting Italian dinner
  • Spaghetti: Uncooked pasta that bakes perfectly in the sauce, absorbing all the flavors while staying tender.
  • Pasta sauce: Choose your favorite jarred sauce here—tomato-based and seasoned to keep things simple and tasty.
  • Water: Helps cook the pasta in the oven and creates that lovely saucy consistency.
  • Garlic and onion: Provide savory aroma and foundational flavor that lifts the entire dish.
  • Olive oil: Adds richness and helps meld the flavors beautifully.
  • Oregano or Italian seasoning: A perfect herb blend to sprinkle in that classic Italian vibe.
  • Salt and pepper: Essential for balancing flavors and bringing everything to life.
  • Mozzarella cheese: The crowning glory—melts into bubbly, golden perfection to finish it off.
Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

How to Make The Best Oven Baked Spaghetti Recipe

Step 1: Preheat and Prep

Start by preheating your oven to 375°F. Then, grab a large baking dish—something around 11×7 inches works perfectly. This step sets the stage for a wonderfully baked spaghetti that’s cozy and evenly cooked.

Step 2: Combine All Ingredients (Except Cheese)

Pour uncooked spaghetti, jarred pasta sauce, water, minced garlic, sliced onions, olive oil, oregano (or Italian seasoning), salt, and pepper directly into your baking dish. Give everything a good stir to evenly distribute the pasta and seasonings. This ensures every strand is coated in that savory sauce as it bakes.

Step 3: Bake and Stir Midway

Cover the dish tightly with foil and bake for about 45 minutes. Here’s a crucial part: around the 20 to 25-minute mark, carefully take the dish out and give it a good stir. This step prevents the spaghetti from sticking together and helps it cook evenly—don’t skip it!

Step 4: Add Cheese and Finish Baking

Remove the foil and sprinkle shredded mozzarella cheese generously on top. Return the dish to the oven, uncovered, for another 8-10 minutes or until the cheese is beautifully melted and bubbling. This layer adds that classic gooey, golden finish that makes this recipe truly stand out.

How to Serve The Best Oven Baked Spaghetti Recipe

A white shallow bowl filled with a serving of spaghetti coated in a reddish-orange sauce with melted cheese strands stretching from the fork lifting a tangled clump of noodles above the bowl. The spaghetti is garnished with finely chopped green herbs and small bits of red chili flakes. A fresh green basil leaf sits on the right side of the pasta mound, adding a pop of color. The bowl rests on a white marbled surface with a striped cloth napkin at the bottom right corner. Photo taken with an iphone --ar 2:3 --v 7 - Oven Baked Spaghetti, baked spaghetti recipe, easy spaghetti casserole, cheesy baked pasta, comforting Italian dinner

Garnishes

Sprinkle fresh chopped basil or parsley over the top for a pop of color and freshness. A light drizzle of extra virgin olive oil right before serving elevates the dish and keeps the flavors vibrant.

Side Dishes

This baked spaghetti pairs beautifully with a crisp green salad tossed in a tangy vinaigrette, or some garlic bread to soak up all those delicious tomatoey juices. Roasted vegetables like zucchini or broccoli are great, too, for a well-rounded meal.

Creative Ways to Present

Try serving this dish family-style right out of the baking dish for cozy, casual vibes. Or portion it into individual ramekins for a fancy presentation. You can also top each serving with a fried egg or a sprinkle of Parmesan for extra indulgence.

Make Ahead and Storage

Storing Leftovers

Store any leftovers in an airtight container in the fridge for up to 3-4 days. The flavors actually deepen overnight, making it perfect for easy next-day meals.

Freezing

This baked spaghetti freezes wonderfully. Portion it into freezer-safe containers and freeze for up to 2 months. Just thaw overnight in the fridge before reheating.

Reheating

Reheat leftovers covered in the microwave or oven until warming through. Adding a splash of water or extra sauce helps keep the pasta moist and delicious.

FAQs

  1. Can I add meat to The Best Oven Baked Spaghetti Recipe?

    Absolutely! You can cook ground beef or Italian sausage separately and stir it into the baking dish before baking. This adds heartiness and makes the dish even more filling.

  2. Do I need to pre-cook the pasta?

    Nope, the spaghetti cooks perfectly in the oven while baking with the sauce and water. Just be sure to stir the dish halfway through baking to prevent sticking and ensure even cooking.

  3. What type of pasta sauce works best?

    Any good-quality jarred marinara or tomato basil sauce works great here. Feel free to use homemade sauce if you prefer an extra fresh flavor.

  4. Can I use a different cheese?

    Mozzarella is traditional for its meltiness, but you could also mix in Parmesan, provolone, or even a bit of cheddar for unique flavor twists.

Final Thoughts

There’s something so comforting and satisfying about The Best Oven Baked Spaghetti Recipe—it’s a family favorite that always brings smiles around the table. I hope you give it a try soon and discover how effortlessly delicious dinner can be with just one dish to make and clean. Happy baking!

Print
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The Best Oven Baked Spaghetti Recipe

The Best Oven Baked Spaghetti Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.8 from 105 reviews
  • Author: Olivia
  • Prep Time: 10 minutes
  • Cook Time: 50 minutes
  • Total Time: 1 hour
  • Yield: 6 servings 1x
  • Category: Main Dish
  • Method: Baking
  • Cuisine: Italian-American

Description

This Oven Baked Spaghetti recipe is a simple, comforting dish combining uncooked spaghetti, savory pasta sauce, aromatic herbs, and melted mozzarella cheese, all baked together in one dish. It’s a hassle-free, hands-off bake that results in tender pasta infused with garlic, onion, and Italian seasoning, perfect for a family dinner or meal prep.


Ingredients

Scale

Main Ingredients

  • 16 ounces uncooked spaghetti
  • 16 ounces jar pasta sauce
  • 3 cups water
  • 1 teaspoon oregano or Italian seasoning
  • 1 teaspoon salt (adjust to taste)
  • 1 teaspoon black pepper (adjust to taste)
  • 5 cloves garlic, minced
  • 1 onion, thinly sliced
  • 2 tablespoons olive oil
  • 1 cup shredded mozzarella cheese

Instructions

  1. Preheat Oven: Preheat your oven to 375 degrees Fahrenheit (190 degrees Celsius) to ensure it’s at the correct temperature before placing the baking dish inside.
  2. Combine Ingredients: In a large baking dish (approximately 11×7 inches), add the uncooked spaghetti, pasta sauce, water, oregano or Italian seasoning, salt, black pepper, minced garlic, sliced onion, and olive oil. Stir well to evenly distribute the ingredients and make sure the pasta is submerged in the liquid.
  3. Bake Covered: Cover the baking dish tightly with foil and bake in the preheated oven for 45 minutes. Around 20-25 minutes into baking, remove the dish carefully and give the mixture a good stir to prevent the pasta from sticking and to ensure even cooking.
  4. Add Cheese: After the 45 minutes, remove the foil and sprinkle the shredded mozzarella cheese evenly over the top of the pasta.
  5. Bake Uncovered: Return the baking dish to the oven and bake uncovered for another 8-10 minutes, or until the cheese is bubbly, melted, and slightly golden.
  6. Serve: Remove from the oven and let it cool for a few minutes before serving. Enjoy your cheesy, flavorful oven baked spaghetti!

Notes

  • This recipe is designed for an approximately 11×7 inch baking dish.
  • For a meatier version, cooked ground beef can be added to the pasta mixture before baking.
  • Stirring the pasta halfway through baking is essential to prevent sticking and ensure even cooking.
  • Adjust salt and pepper to taste according to your preference.

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