Best Baked Spaghetti Recipe

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When you take classic Italian spaghetti and combine it with the cheesy, bubbly decadence of a homemade lasagna, you get this unforgettable Baked Spaghetti. It is pure family comfort food at its absolute finest.

Al dente spaghetti noodles are tossed in a rich garlic butter sauce, layered with a savory meat sauce packed with seasoned ground beef and crushed herbs, and crowned with a luscious layer of melted mozzarella and parmesan cheese that bakes to golden perfection.

Why You’ll Love This Recipe

  • Ultimate Comfort Food: Combines the best elements of meat sauce spaghetti and baked lasagna.
  • Make-Ahead Friendly: Assemble the entire casserole the morning of or day before, then bake when ready for dinner.
  • Golden Cheese Crust: Bakes with a bubbling crown of browned whole-milk mozzarella and grated parmesan.
  • Serves a Crowd: Yields a hearty 9×13 casserole pan that easily feeds 8 hungry dinner guests.

Key Ingredients & Flavor Secrets

Unlike dry baked pasta casseroles, this recipe features an ultra-rich meat sauce and a gentle cheese binder that keeps every forkful moist, saucy, and deeply satisfying.

Chef Sarah’s Pro Tips for Success

  • Cook Pasta Al Dente: The spaghetti continues cooking in the oven as it absorbs the sauce. Undercooking by 2 minutes prevents soggy noodles.
  • Whole-Milk Mozzarella: Low-moisture whole-milk mozzarella gives you that stretchy, photogenic cheese pull without releasing watery liquid into the casserole.
  • Rest Before Slicing: Giving the casserole a 10-minute rest after baking allows the layers to set cleanly for picture-perfect squares.

Storage, Freezing & Reheating Instructions

Refrigeration: Store leftover meat in an airtight glass container in the refrigerator for up to 3 to 4 days.

Reheating: For the most tender and juicy results, reheat gently in a 350°F (175°C) oven or in a covered skillet over medium-low heat with a small splash of broth. Avoid high-power microwave reheating to prevent the meat proteins from tightening and drying out.

Frequently Asked Questions

Can I freeze this baked spaghetti?

Yes! You can freeze it unbaked or baked. Wrap the pan tightly with plastic wrap and aluminum foil. Freeze for up to 3 months. Thaw in the refrigerator overnight before baking.

Can I add ricotta cheese?

Absolutely. You can dollop 1 cup of seasoned ricotta cheese between the pasta layers for an even more lasagna-like profile.

What to Serve With This Dish & Related Recipes

Need another crowd-pleasing comfort food dinner? Try our popular Sheet Pan Nachos Recipe.

Best Baked Spaghetti Recipe

★★★★★ (4.96 from 28 ratings) • By Chef Sarah • Course: Main Course

Prep Time: 20 mins

Cook Time: 30 mins

Total Time: 50 mins

Servings: 8

Ingredients

  • 1 lb (450g) spaghetti noodles
  • 1.5 lbs (680g) lean ground beef (or combination with sweet Italian sausage)
  • 1 tbsp extra virgin olive oil
  • 1 medium yellow onion, finely diced
  • 4 cloves garlic, minced
  • 1 can (28 oz) crushed San Marzano tomatoes
  • 1 can (15 oz) tomato sauce
  • 2 tbsp tomato paste
  • 1 tbsp Italian seasoning (oregano, basil, rosemary, thyme)
  • 1 tsp garlic powder
  • 1 tsp sugar (to balance acidity)
  • 1 1/2 tsp kosher salt and 1/2 tsp freshly cracked black pepper
  • 3 tbsp unsalted butter, melted
  • 1/3 cup freshly grated Parmesan cheese
  • 2 1/2 cups shredded low-moisture whole milk mozzarella cheese
  • 2 tbsp fresh basil, chopped for garnish

Instructions

  1. Step 1: Preheat your oven to 375°F (190°C). Grease a standard 9×13-inch baking dish with butter or nonstick spray.
  2. Step 2: Bring a large pot of heavily salted water to a rolling boil. Cook the spaghetti noodles until just al dente (about 1 to 2 minutes less than package instructions). Drain well and return to the warm pot.
  3. Step 3: Toss the hot drained spaghetti with melted butter and 1/3 cup of grated parmesan cheese until evenly coated. Set aside.
  4. Step 4: Meanwhile, heat olive oil in a large skillet over medium heat. Add the diced onion and ground beef. Cook, breaking apart with a wooden spoon, until browned (about 6-7 minutes). Drain excess grease.
  5. Step 5: Add the minced garlic, Italian seasoning, garlic powder, salt, and pepper. Sauté for 1 minute until fragrant.
  6. Step 6: Stir in the tomato paste, crushed tomatoes, tomato sauce, and sugar. Reduce heat to low and simmer the meat sauce for 10 minutes to allow the flavors to deepen.
  7. Step 7: To assemble: Spread 1 cup of meat sauce across the bottom of the prepared 9×13 baking dish. Add half of the buttered spaghetti, top with half of the remaining meat sauce, and sprinkle with 1 cup of mozzarella cheese.
  8. Step 8: Repeat with the remaining spaghetti, remaining meat sauce, and top generously with the remaining 1 1/2 cups of mozzarella cheese.
  9. Step 9: Bake uncovered for 25 to 30 minutes, or until the sauce is bubbling and the cheese is melted and lightly browned. Let rest for 10 minutes before slicing and serving.

Estimated Nutrition (Per Serving): 560 Calories | Protein: 34g | Fat: 24g | Total Carbs: 52g | Sodium: 580mg | Fiber: 3g | Sugar: 2g

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