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Dinner · Part 2 of 3: Instructions

Classic Beef Lasagna Bake for Ultimate Comfort Step-by-step instructions

A golden-baked lasagna in a white rectangular ceramic dish on a granite kitchen counter.
Prep
Cook
Total
Serves
8
Includes 15 min resting

Before you start

Before you begin, gather all necessary ingredients and preheat your oven. Prepare the lasagna noodles according to the package instructions, ensuring they are al dente so they do not overcook while in the oven.

Have your 9x13 inch baking dish ready and lightly greased if preferred. Having all your components measured and within reach will make the assembly process smooth and efficient, allowing you to focus on creating consistent layers for the perfect bake.

Ingredients at a glance (5)
  • 1 lb ground beef
  • 24 oz marinara sauce
  • 15 oz ricotta cheese
  • 12 oz lasagna noodles, boiled
  • 3 cups shredded mozzarella cheese

Instructions

Simmering the Beef Sauce

  1. Prepare the meat sauce
    In a large skillet over medium-high heat, brown the ground beef until it is no longer pink. Drain any excess fat, then stir in the marinara sauce and simmer for 5 minutes. Ensure the ground meat reaches a safe internal temperature of at least 160°F (71°C) to ensure it is cooked through.
    Look for The sauce should be thick and bubbling.
    Safe temperature 160°F (71°C) internal temperature (ground meat)
    Tip Use a lean ground beef to minimize the need for draining excess grease.

The sauce should be thick, fragrant, and have a deep red color. The ground beef should be fully browned and well-incorporated with the marinara.

Check that the meat has reached 160°F (71°C) before proceeding to assembly. The aroma should be savory and inviting, indicating that the flavors have melded together properly during the simmering process.

Layering the Lasagna

  1. Prepare the cheese mixture and assemble
    In a mixing bowl, lightly stir the ricotta cheese. In a 9x13 inch baking dish, spread a thin layer of the meat sauce. Place a layer of boiled lasagna noodles over the sauce, followed by a layer of ricotta, more meat sauce, and a generous sprinkle of mozzarella cheese. Repeat these layers until all ingredients are used, finishing with a final layer of mozzarella.
    Look for Ensure the noodles are fully covered by the sauce to prevent drying out.
    Tip Spread the ricotta evenly using the back of a spoon for consistent layers.

Each layer should be spread evenly to ensure consistency. You should see distinct layers of noodles, white ricotta, red meat sauce, and shredded cheese. Check that the edges of the noodles are covered by sauce so they do not become hard or crispy during the bake. The dish should feel heavy and well-packed, ready for the oven.

Baking to Perfection

  1. Bake the lasagna
    Preheat the oven to 375°F (190°C). Cover the baking dish with foil and bake for 25 minutes. Remove the foil and continue baking for another 15 minutes, or until the cheese is melted, golden, and bubbling. Let the lasagna rest for at least 15 minutes before serving to allow the layers to set.
    Look for The cheese should be golden brown and the edges bubbling.
    Tip Resting is crucial for clean slices when serving the lasagna.

The lasagna is ready when the top is golden and the edges are bubbling vigorously. The steam should be escaping from the sides, and the cheese should have a slight resistance when poked with a fork. After removing from the oven, ensure it rests for 15 minutes. The center will be firm to the touch, and the aroma will be rich and cheesy.

Common mistakes

A common mistake is using too much sauce, which can make the lasagna watery. Another error is failing to let the lasagna rest after it comes out of the oven.

Resting is not just for temperature; it allows the layers of cheese and sauce to set, ensuring that the lasagna holds its shape when you slice it. Without this wait time, the lasagna may collapse into a pile on the plate.

How to tell it’s done

The lasagna is done when the internal temperature reaches a hot, bubbling state throughout. The cheese on top should be melted and golden brown in spots. If you use a thermometer, the center should register at least 165°F (74°C).

The most important indicator is the appearance of the sauce bubbling up the sides of the dish and the structural integrity of the lasagna once it has rested for the required time.

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

Coming up in Part 3: common questions

  • Can this lasagna be made ahead of time?
  • Why is it important to let the lasagna rest?
  • Can this recipe be frozen?

Also in Part 3: variations (Vegetarian Spinach Lasagna, Spicy Italian Sausage Lasagna), 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)