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Dinner · Part 2 of 3: Instructions

Classic Cheesy Beef Lasagna with Rich Meat Sauce Step-by-step instructions

A close-up of a steaming slice of beef lasagna being lifted from a glass baking dish with a spatula.
Prep
Cook
Total
Serves
8
Includes 15 min resting

Before you start

Before starting, ensure all ingredients are at room temperature for better cooking consistency. Boil the lasagna noodles according to the package directions, draining them well and laying them out flat on a tray to prevent sticking.

Preheat your oven to 375°F (190°C) early so it is ready when the assembly is complete. Gather all your tools, including the baking dish, spatula, and skillet, to ensure a smooth, efficient process.

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

Instructions

Browning the Meat

  1. Prepare the meat sauce
    Heat a large skillet over medium-high heat. Add the ground beef and cook, breaking it into small pieces with a spoon, until browned and no longer pink. Ensure the internal temperature reaches 160°F (71°C) to guarantee safety. Drain any excess fat if necessary. Pour in the marinara sauce and stir to combine. Simmer for 5 minutes then remove from heat.
    Look for The beef is fully browned and the sauce is bubbling gently.
    Safe temperature 160°F (71°C) internal temperature (ground meat)
    Tip Do not skip browning the beef thoroughly as it builds the primary flavor base for the entire dish.

The ground beef should be deeply browned and crumbled into small, uniform pieces. The sauce should look rich and thick, coating the meat evenly.

Before moving to assembly, check that the meat has reached the required temperature and that the sauce has been reduced to a consistency that will not make the lasagna watery.

Building the Layers

  1. Layer the lasagna
    Preheat your oven to 375°F (190°C). In a 9x13-inch baking dish, spread a thin layer of meat sauce on the bottom. Add a layer of cooked lasagna noodles. Spread a portion of the ricotta cheese over the noodles, followed by a layer of meat sauce and a sprinkle of shredded mozzarella. Repeat these layers until all ingredients are used, finishing with a generous layer of mozzarella cheese on top.
    Look for The layers are neatly stacked and the dish is filled to the top.
    Tip Spread the ricotta cheese carefully to ensure it covers the noodles evenly without tearing them.

The layers should be constructed evenly, with enough sauce to cover the noodles completely. Ensure the ricotta is spread in an even layer to provide structural support. Check that the edges of the noodles are adequately covered by sauce so they do not become hard or crispy during the baking process.

Baking to Golden Perfection

  1. Bake and serve
    Cover the baking dish with foil and bake for 30 minutes. Remove the foil and bake for an additional 15 minutes, or until the cheese is melted and bubbling with golden brown spots. Remove from the oven and let the lasagna rest for 15 minutes before slicing. This resting period allows the layers to set properly, ensuring each slice holds its shape when served.
    Look for The cheese is bubbling, melted, and golden brown on top.
    Tip Allowing the lasagna to rest is essential for clean slices and structural integrity.

The cheese should be melted and bubbling throughout the entire surface of the dish. The edges should show a slight darkening, indicating a well-cooked and flavorful crust. Before slicing, ensure the dish has rested for at least 15 minutes to allow the internal temperature to stabilize and the layers to set.

Common mistakes

A common mistake is failing to drain excess fat from the ground beef, which can lead to a greasy final dish. Another error is neglecting the resting time; slicing the lasagna immediately out of the oven will cause the layers to slide apart.

Ensure you use enough sauce to keep the pasta hydrated, as dry noodles can ruin the texture. Finally, avoid over-packing the dish, which can prevent heat from circulating properly.

How to tell it’s done

The lasagna is done when the top layer of mozzarella cheese is fully melted, bubbling, and exhibits light golden-brown spots. The edges of the sauce should be visible and bubbling around the sides of the baking dish.

Since the meat is pre-cooked, the internal temperature of the entire dish should be hot throughout, reaching at least 160°F (71°C) at the center to ensure the cheese and sauce are perfectly heated.

  • 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?
  • How can the lasagna be prevented from being too watery?
  • Is it possible to freeze the lasagna?

Also in Part 3: variations (Vegetable Lasagna, Spicy 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)