Dinner · Part 2 of 3: Instructions
Classic Baked Beef Lasagna with Golden Bubbly Cheese Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 8
Before you start
Before beginning the assembly, ensure all ingredients are measured and ready on your workspace. Preheat your oven to 375°F (190°C) so it is fully heated by the time you finish the assembly. Have your 9x13 inch baking dish cleaned and placed on a stable surface.
Keeping your workspace organized allows for a smooth assembly process, ensuring that the pasta sheets do not dry out while you are preparing the filling and sauce components for the layers.
Ingredients at a glance (5)
- 1 lb ground beef
- 24 oz prepared beef ragu sauce (store-bought or made ahead)
- 15 oz ricotta cheese
- 1 box lasagna pasta sheets
- 2 cups shredded mozzarella cheese
Instructions
Preparing the Ragu
- Prepare the RaguHeat a large skillet over medium-high heat and add the ground beef. Cook the meat thoroughly until browned and no longer pink, ensuring it reaches an internal temperature of 160°F (71°C). Stir in the prepared beef ragu sauce and simmer for five minutes to allow the flavors to meld together perfectly before assembling the lasagna layers.Look for The beef is fully browned and the sauce is simmering.Safe temperature 160°F (71°C) internal temperature (ground meat)Tip Drain excess fat from the skillet after browning the beef to keep the final dish from becoming too greasy.
The meat sauce is the foundation of the dish. At the end of this phase, the ground beef should be fully browned and thoroughly incorporated into the prepared sauce. The mixture should be thick enough to coat a spoon, with a rich, savory aroma. Check that the beef has reached the safe internal temperature of 160°F (71°C) before proceeding to the assembly phase to ensure food safety and optimal texture.
Layering the Lasagna
- Assemble the LayersSpread a thin layer of the meat sauce on the bottom of a 9x13 inch baking dish. Place a layer of pasta sheets over the sauce. Spread a portion of the ricotta cheese over the pasta, followed by more meat sauce. Repeat these layers until all ingredients are used, finishing with a generous topping of shredded mozzarella cheese to ensure a bubbly crust.Look for The baking dish is filled and the top is covered in cheese.Tip Press down gently on the layers as you assemble to ensure a compact lasagna that holds its shape when sliced.
The assembly phase is about consistency. You should see distinct, even layers of pasta, meat sauce, and creamy ricotta throughout the dish.
The top should be evenly covered with shredded mozzarella, ensuring no pasta edges are exposed, which could dry out or burn during the baking process. Once the dish is assembled, it should feel heavy and compact, indicating that the layers are tightly packed and ready for the oven.
Baking and Resting
- Bake and ServePreheat the oven to 375°F (190°C). Cover the baking dish with foil and bake for 30 minutes. Remove the foil and bake for an additional 15 to 20 minutes until the cheese is golden and bubbling. Let the lasagna rest for 15 minutes before slicing with a metal spatula to serve.Look for The cheese is golden brown and bubbling on the surface.Tip Allowing the lasagna to rest is essential for clean slices and preventing the layers from sliding apart.
During the final phase, the kitchen will fill with the aroma of toasted cheese and savory beef. The lasagna is ready when the surface is golden and bubbling. After removing it from the oven, the resting phase is essential. The lasagna should look set and firm, with the cheese crust slightly hardened. Check that the center is hot before serving, and ensure the rest time is strictly followed for the best presentation.
Common mistakes
A common mistake is failing to allow the lasagna to rest after removing it from the oven. Resting for at least 15 minutes is crucial, as it allows the internal structure to set; cutting too soon will result in the layers sliding apart and the filling spilling out.
Another frequent error is using too little sauce between the layers, which can lead to dry pasta sheets. Ensure each layer of pasta is adequately covered with sauce to keep the entire dish moist.
How to tell it’s done
The lasagna is finished when the cheese topping has reached a deep golden brown color and the edges show the sauce bubbling vigorously. Because the meat was cooked to 160°F (71°C) during the initial browning phase, the final bake time primarily serves to meld the flavors and ensure the pasta is tender throughout.
Use a knife to test the center; it should slide through the layers with minimal resistance, indicating that the pasta sheets have reached the ideal texture.
- Ground meat: 160°F (71°C) in the thickest part
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)