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Dinner · Part 2 of 3: Instructions

Cheesy Baked Spaghetti with Hearty Meat Sauce Step-by-step instructions

A steaming dish of baked spaghetti with a golden, bubbly cheese crust on a granite counter.
Prep
Cook
Total
Serves
6
Includes 10 min resting

Before you start

Before beginning, ensure that all your ingredients are measured and ready. Preheat your oven to 375°F (190°C) so it is fully heated by the time the pasta is tossed.

Have your 9x13-inch baking dish nearby and lightly greased if preferred, although the sauce generally prevents sticking.

Preparing your workspace by clearing the counter and having a colander ready in the sink will make the process much smoother and more efficient.

Ingredients at a glance (4)
  • 1 lb spaghetti
  • 1 lb meat sauce
  • 24 oz marinara sauce
  • 2 cups shredded mozzarella cheese

Instructions

Sauce and Pasta Preparation

  1. Prepare the pasta and meat sauce
    Bring a large pot of salted water to a boil and cook the spaghetti according to the package directions until al dente. While the pasta cooks, heat the meat sauce in a large skillet over medium-high heat until fully cooked through, reaching an internal temperature of at least 160°F (71°C). Simmer for five minutes to allow the flavors to meld.
    Look for The meat sauce is simmering gently and heated through.
    Safe temperature 160°F (71°C) internal temperature (ground meat)
    Tip Do not overcook the pasta, as it will continue to soften slightly while baking in the sauce.

The meat sauce is thick and fragrant. The pasta is cooked to al dente and drained well. Ensure the sauce is heated through before combining it with the pasta to guarantee food safety and optimal flavor development.

Assembly and Layering

  1. Assemble the bake
    Preheat your oven to 375°F (190°C). Drain the spaghetti and return it to the pot or a large mixing bowl. Pour the prepared meat sauce over the cooked spaghetti and toss thoroughly until every strand is evenly coated. Transfer the mixture into a 9x13-inch baking dish, spreading it out into an even layer to ensure consistent cooking throughout the entire casserole.
    Look for The pasta is well-coated and spread evenly in the dish.
    Tip Use a light hand when tossing to avoid breaking the spaghetti strands too much.

The pasta and sauce are perfectly combined, with every strand coated. The mixture is spread evenly in the baking dish to ensure uniform heating. Check that the edges of the dish are clean for even baking and a neat presentation.

The Final Bake

  1. Bake until golden
    Sprinkle the shredded mozzarella cheese generously over the top of the pasta. Cover the baking dish with aluminum foil and bake for 20 minutes. Remove the foil and continue baking for an additional 10 to 15 minutes, or until the cheese is completely melted, bubbling, and develops a light golden brown crust. Allow the dish to rest for 10 minutes before serving to let the sauce settle.
    Look for The cheese is melted, bubbly, and golden brown.
    Tip For an extra golden crust, place the dish under the broiler for 1 to 2 minutes during the final stage.

The cheese is melted, bubbly, and has developed a beautiful golden crust. The entire dish should be heated through. Use a fork to ensure the center is warm and the cheese has achieved the desired texture before removing from the oven.

Common mistakes

A common mistake is overcooking the pasta before it hits the oven; ensure it remains al dente because it will continue to soften during the baking time.

Another error is not letting the dish rest after removing it from the oven. Allowing the casserole to sit for 10 minutes is crucial as it helps the sauce firm up, making it much easier to portion into neat, satisfying servings.

How to tell it’s done

The baked spaghetti is done when the internal temperature of the meat sauce has reached at least 160°F (71°C) and the cheese topping is fully melted, bubbling, and golden brown.

The pasta should be tender but not mushy, and the sauce should be thick and clinging to the noodles rather than pooling at the bottom of the dish.

  • Ground meat: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can this dish be made ahead and frozen?
  • What is the best way to prevent the pasta from becoming mushy?
  • Can different types of pasta be used for this recipe?

Also in Part 3: variations (Vegetable Packed Bake, Spicy Arrabbiata Style), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)