How Long To Bake Lasagna

Lasagna is a deliciously layered Italian dish that is popular all over the world. However, if it is your first time making this dish, you will need to know how long to bake it. So, let's take a look at the average cook time below.

How long a lasagna takes to bake depends on the size and thickness of the lasagna and the oven temperature. However, a general guideline is to bake lasagna for 30-45 minutes at 375 degrees Fahrenheit covered in a 9x13 casserole dish until it reaches 165 degrees Fahrenheit. Then, you can uncover the lasagna and bake it for 5-10 additional minutes for extra crispiness.

Having a perfectly baked lasagna is worth the wait, though. This article will take a closer look at baking a lasagna so it turns out just right. In addition, we will answer other frequently asked questions about lasagna, so keep reading!

Beef lasagna step by step recipe. Layer of lasagna noodles. Close up front view, woman hands, marble kitchen table background - How Long To Bake Lasagna

How Long Should You Leave Lasagna In The Oven?

Lasagna is thin sheets of pasta dough alternated with sauces and meats and then baked in the oven. The dish usually takes a long time to bake, so it is important to know how long to leave it in the oven.

Lasagna can be baked in different sizes and thicknesses, so the cooking time can vary. Typically, it is baked in a 9x13 casserole dish for 30-45 minutes at 375 degrees Fahrenheit. The dish should reach an internal temperature of 165 degrees Fahrenheit before being considered fully cooked.

If you would like the lasagna to be crispy on top, you can leave it in the oven uncovered for an additional 5-10 minutes. You may also come across recipes that recommend cooking at 350 degrees Fahrenheit for 45-60 minutes.

Whichever baking time you choose, be sure your lasagna has an internal temperature of 165 degrees Fahrenheit before serving.

In addition, let your lasagna rest for 10-15 minutes after taking it out of the oven. This will give the lasagna time to firm up a bit and allow the flavors to blend together.

A pair of hands retrieving freshly baked lasagne from the oven

How Do You Make Lasagna?

For a simple homemade lasagna, follow the instructions below!


  • 1 lb of ground beef or your meat of choice
  • 1/2 of an onion, chopped
  • 1/2 of a green pepper, chopped
  • 1 can (28 oz) of tomato sauce
  • 1 can (6 oz) of tomato paste
  • 1/2 tsp of salt
  • 1 tablespoon of extra virgin olive oil
  • 2 cloves of minced garlic
  • 2 tablespoons of oregano
  • 1 tablespoon of Italian seasoning
  • 1/4 cup of parsley
  • 1 tsp of sugar
  • 1 tablespoon of basil
  • 9 lasagna noodles, cooked al dente
  • 1/4 tsp of black pepper
  • 1 cup of ricotta cheese
  • 1 egg, beaten
  • 1/2 cup of grated Parmesan cheese
  • 2 cups (8 oz) of shredded mozzarella cheese


  1. In a large saucepan, cook the beef, onion, and green pepper over medium heat until the meat is no longer pink; drain.
  2. Add the tomato sauce, tomato paste, sugar, salt, black pepper, oregano, garlic, dried basil, and parsley; simmer for 20 minutes.
  3. Mix ricotta cheese, egg, Parmesan cheese, and mozzarella cheese in a separate bowl.
  4. Preheat the oven to 375 degrees Fahrenheit.
  5. In a 9x13 baking dish, spread 1/2 cup of the meat sauce.
  6. Cover with one layer of cooked noodles.
  7. Add another layer of meat sauce.
  8. Spread with 1/2 of the ricotta cheese mixture.
  9. Repeat layers of noodles, meat sauce, and ricotta cheese mixture.
  10. Cover with aluminum foil and bake for 30-45 minutes or until bubbly. For an added crisp, brown the cheese under the broiler for a few minutes. Use a food thermometer to confirm that the internal temperature is at least 165 degrees Fahrenheit.
  11. Let the lasagna rest for 10-15 minutes before serving. Enjoy!

This is just one recipe of many for lasagna. Be sure to experiment with different ingredients and flavors to find your favorite!

Beef lasagna step by step recipe. Layer of lasagna noodles. Close up front view, woman hands, marble kitchen table background

Does Lasagna Need Meat?

Lasagna can be made with or without meat. There are many different recipes that call for different meats, such as ground beef, sausage, ham, chicken, or seafood.

If you are looking for a vegetarian lasagna recipe, there are many online that you can try. Or, you can leave out the meat and add more vegetables to the sauce. For example, you can add vegetables such as mushrooms, zucchini, spinach, or roasted red peppers.

There are endless possibilities!

Why Is My Lasagna Watery?

If your lasagna is watery, it may be because you overlayered the noodles. When the lasagna cooks, the moisture will be drawn out of the noodles, and they will release water. To prevent this, only use 4 layers of noodles at the most.

In addition, you may have used too much sauce on each layer. When the lasagna cooks, the sauce will also release water. Try using less sauce on each layer to prevent this.

If you like your lasagna extra saucy, then you can leave extra on the side and add it when you serve.

Lastly, make sure you give your lasagna plenty of time to rest. Slicing into your lasagna too soon will release all of the liquid that has built up inside. Let it cool for 10-15 minutes before serving so you don't have a watery dish.

Why Do You Cover Lasagna When Baking?

When lasagna is first put in the oven, the top layer is more likely to dry out and become tough. Covering the dish will help to prevent this from happening.

In addition, the moisture from the sauce and cheese will steam the pasta and make it tender. This is why it is important not to uncover the lasagna until the end of the baking time.

Baking dish covered with aluminum foil close up on the table, front view, woman hands. Spinach lasagna recipe. Before baking cover lasagna with aluminum foil.

Can You Put The Lasagna In The Fridge?

Lasagna can be stored in the fridge for 3-5 days after being cooked. However, it is important to put your lasagna in the fridge after completely cooling. If you put it in the fridge when it is still hot or warm, it will warm the temperate of the fridge which could spoil the other food.

Can You Freeze Lasagna?

You can freeze lasagna after it's been cooked or before it's been cooked. If you freeze it after it's been baked, it will be good for 2-3 months. Be sure to properly store it in an airtight container or freezer bag.

Another helpful trick is to freeze individual lasagna slices. This way, you don't have to reheat the whole dish!

If you decide to freeze your lasagna unbaked, then it will have about the same shelf life. However, by freezing your lasagna unbaked, it will keep its form, and you can just bake it when you are ready to eat it. This is perfect for unplanned guests!

What Is The Best Way To Reheat Lasagna?

The best way to reheat lasagna is in the oven. Preheat your oven to 350 degrees Fahrenheit and place the lasagna in an oven-safe dish, cover it with foil, and bake for about 20-30 minutes or until it is fully heated.

You can check if it's heated all the way through by sticking a thermometer in the center of the lasagna. The internal temperature should be 165 degrees Fahrenheit.

If you are in a hurry, you can also microwave your lasagna, but it will not taste as good as if it were reheated in the oven.

How Do You Reheat Lasagna Without Drying It Out?

After your lasagna sits in the fridge or freezer, it will dry out a bit. This is because the moisture will be drawn out of the pasta and sauce. To prevent your lasagna from drying out, you can reheat it in the oven with some added moisture.

Simply put a little water or broth in an oven-safe dish, place your lasagna in it, cover it with foil, and bake it until it is hot all the way through.

In addition, you can reheat the lasagna at a lower temperature for a longer period. This will help to prevent the lasagna from drying out.

Can You Microwave Leftover Lasagna?

Yes, you can microwave leftover lasagna. However, it is not recommended because it may give your lasagna noodles a weird texture. In addition, it can make the noodles mushy, and the cheese may not melt the same way.

Nonetheless, this is still a viable option if you are short on time or are not able to heat it up in the oven. Simply place your lasagna on a microwave-safe plate, and cook it for 1-2 minutes until it is heated through.

A plate of leftover lasagna is reheated in a microwave.

What Type Of Cheese Goes In Lasagna?

There are many different types of cheese that can go in lasagna. The most common is mozzarella with a combination of ricotta.

However, you can use any type of cheese that you like. For example, some people like to use Parmesan, Asiago, cottage cheese, or Romano. So experiment and find the cheese that you like the best!

Can You Bake Lasagna With Raw Meat?

Refrain from using raw meat when making your lasagna. The best way to make sure that your lasagna is cooked all the way through is to use cooked ground meat. This will help to ensure that your lasagna is not only tasty but also safe to eat.

If you are looking for a shortcut, you can use precooked ground meat. This will help to save you some time in the kitchen.

Final Thoughts

It may take some trial and error to get the perfect lasagna recipe that you love. But once you find it, you'll be able to make it over and over again with ease. And don't forget that there are many variations that you can try—so don't be afraid to switch it up a bit!

Want more lasagna articles? Here are others you may enjoy:

13 Types Of Lasagna

Left Lasagna Out Overnight – What To Do Now?

How To Store Cooked Lasagna Noodles Overnight

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