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How Long to Bake Lasagna at 350 Degrees

Are you ready to tackle baking lasagna at home but not sure where to start? How long do you bake it and at what temperature? 

How long do you bake lasagna at 350 degrees? Generally, you cook it for about 45 minutes. However, we will walk you through how long you bake lasagna at 350 degrees as well as other temperatures and timing variations to help you make the best homemade lasagna possible. 

You will be able to make restaurant-level lasagna with our help if you follow our tips below. It may take longer than popping a frozen pan of lasagna into the oven, but it will most definitely be worth it. 

Whether you want a white sauce lasagna with spinach and alfredo or want to cut time with no-boil noodles, we have you covered to make the best lasagna meal for you and your loved ones to enjoy in the comfort of your home!

How Long to Bake Lasagna at 350 Degrees

Credits: Karolina Kołodziejczak

How Long Do You Bake Lasagna at 350 Degrees?

There are many variations such as the moisture in the contents of your lasagna, the layers you put in your lasagna, and the pre-cooked components of your dish that will determine how long you cook lasagna at 350 degrees. Generally, you cook lasagna at 350 degrees for about 45 minutes. 

No matter how long you cook your lasagna, make sure you cook your lasagna until it’s heated thoroughly through. You can check your lasagna with a food thermometer to ensure that your dish is cooked thoroughly. 

Lasagna is generally composed of ingredients that are already cooked, so you are generally just ensuring that your cheese melts and your components are melded together when you cook it. Make sure to either brown your meats thoroughly or sauteed veggies (generally) to ensure you are safely consuming the most delicious lasagna possible. 

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How To Cook Lasagna at 350 Degrees?

First, preheat your oven to 350 degrees. Then, start gathering your ingredients and start combining your ingredients. After you put together all the components of your lasagna in the correct baking dish according to your favorite recipe, cover it in tin foil. 

Put the tin foil-covered dish into the oven and bake for about 45 minutes total. After about 30 minutes, remove the tin foil from your dish. Then bake it for an additional 15 minutes. Remove the lasagna from the oven and let it rest for at least around 15 minutes before you serve the dish. 

How Long Do You Bake Lasagna In a Convection Oven

The amount of time you bake your lasagna depends on your oven type and age. Lasagna cooks differently in convection ovens than in traditional ovens. This is due to how heat circulates within the oven itself. 

When you cook your lasagna in a convection oven, you should reduce the heat you bake at. As a rule of thumb, bake the lasagna at 325 degrees F in a convection oven. 

If you do decide to keep the temperature the same, you should at least cut the lasagna’s cooking time by at least ¼. This ensures that your dish does not overcook or burn. 

How Long Do You Bake Lasanga In an Air Fryer

The beauty of modern cooking technology is that you have multiple options for how you decide to cook lasagna. If you are running tight on time, then you could cook your lasagna in an air fryer. 

As a rule of thumb, bake lasagna in your air fryer at 375 degrees for 10 to 12 minutes. You must use tin foil when baking lasagna in an air fryer. If you don’t cover your lasagna, then you run the risk of your noodles drying out and your lasagna overcooking. 

How Long Do You Cook Frozen Lasagna?

If you are busy and on the go often, frozen lasagna can be a great go-to meal. You can pre-make fresh lasagna to freeze for a quick meal. 

It’s a general rule of thumb to make a fresh lasagna before you freeze it. Do not pre-cook your lasagna before freezing. It’s better to only cook your lasagna when you’re ready to eat it. Cooking then freezing and then thawing and cooking can change the chemical makeup of your ingredients. Your lasagna may be ok to eat but won’t taste as good or as fresh as if you hold on cooking it until after you freeze it and are ready to eat it. 

You can take the frozen lasagna straight from the freezer and place it in a pre-heated oven. You do not have to pre-thaw the lasagna. Generally, you should cook a frozen lasagna for about 90 minutes in a traditional oven at about 400 degrees. 

How long you cook the frozen lasagna can also vary by the size of the lasagna. You can pre-portion your lasagna into smaller sizes to cut down on cooking time. Single servings can take as little as 10 minutes to cook. 

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How To Freeze Uncooked Lasagna 

Basically, to freeze uncooked lasagna all you have to do is put all of the ingredients together in a freezable container and simply place it into the freezer. 

Generally, the best way to make lasagna in preparation to freeze it is to use no-boil noodles. You could boil your noodles before you build the lasagna, but using boiled noodles means they could turn mushy once you reheat the dish. To play it safe, you should use no-boil noodles. 

In preparation for freezing, build your lasagna like you normally would and freeze it until you are ready to eat. 

How To Freeze Cooked Lasagna 

Whether you have enjoyed a pan of lasagna and have leftovers you want to freeze or prefer to cook the lasagna before freezing, there are some general rules of thumb to make your frozen cooked lasagna the best possible. 

The first thing to do when freezing cooked lasagna is to let it cool. Do not put a hot pan of lasagna directly into the freezer. If you don’t let the dish thoroughly cool, you allow ice crystals to freeze among the layers of your lasagna, which can cause the reheated lasagna to turn mushy. 

To further prevent freezer burn, take your lasagna out of its original container it was baked in and put it in a smaller dish that it fits well into. Wrap that dish in plastic wrap and then cover that with aluminum foil. 

Don’t forget to label the frozen lasagna and be prepared to reheat it and eat it within two or three months for the best results. 

How long do you bake lasagna at 350 degrees

Credits: Daniel HerronHire

How Do You Know When Your Lasagna Is Done Baking?

Generally, you can tell your lasagna is done baking when the noodles are soft and your sauce is bubbling over the sides. You can also check your noodles’ tenderness with a toothpick or a fork to check their doneness. 

You should also cook your lasagna until its internal temperature reaches between 165 and 175 degrees F. You can use a traditional food thermometer to check the dish’s internal temperature. 

What Ingredients Are In Lasagna?

Lasagna can be made with a variety of ingredients and variants. Almost every family has a favorite recipe that includes different ingredients and measurements of traditional ingredients. 

The most traditional lasagna recipes include the following ingredients:

  • Lasagna noodles (boil or no-boil)
  • Ground meat
  • Tomato Sauce
  • Cheeses (ricotta, mozzarella, parmesan)
  • Egg
  • Italian Spices 

How Long Will Frozen Or Refrigerated Lasagna Last?

If you have leftovers and are not sure if you’ll eat them sooner rather than later, you have to decide if you will freeze or refrigerate your lasagna. 

Generally, lasagna will stay good in the refrigerator for about 3 to 5 days. Lasagna will keep in the freezer for up to 3 months. 

What Do You Serve With Lasagna?

You may have your favorite lasagna recipe down pat, but you may wonder what to serve with it? 

Numerous side dishes can be served with lasagna, including salads, fresh pieces of bread, and roasted veggies. 

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What’s the Best Lasagna Recipe?

Although tastes and preferences vary, there are a few tried and true recipes that continually receive high ratings. One of our favorites includes the following ingredients and steps. 

  • 12 lasagna noodles
  • 1 pound ground beef (or 2 pounds if you prefer not to use Italian sausage) 
  • 1 egg
  • 1 pound Italian sausage
  • Olive Oil
  • 16 ounces ricotta cheese1/2 cup parmesan grated
  • 1 Small Diced Onion
  • 2 cups mozzarella shredded cheese 
  • 28 oz can of crushed tomatoes
  • 2 6.5 oz cans tomato sauce
  • 6 oz can tomato paste
  • Italian Seasoning to Taste
  • ¼ cup sugar
  • Salt and pepper to taste
  • 1 tbsp fresh basil chopped


  1. Pre-heat oven to 375 degrees F.
  2. In a saucepan, heat the olive oil and saute the diced onion. Add the ground beef and sausage once the onion is tender. Cook until the meat is browned and crumbled. Add tomato sauce, crushed tomatoes and tomato paste as well as the sugar, Italian seasoning, and basil. Let all of the ingredients simmer on low heat. 
  3. Bring water to a boil in a pot and add the lasagna noodles. Cook for 8 to 10 minutes or until noodles are al dente. 
  4. In a mixing bowl, combine ricotta cheese, parmesan cheese, and the egg. Mix together thoroughly. 
  5. Spray 9×13 inch pan with non-stick spray. 
  6. Begin building your lasagna with a cup of the meat mixture at the bottom of your dish. Place noodles on top of this mixture. Top noodles with ½ cup of the cheese/egg mixture. Repeat the layers and top with mozzarella cheese. 
  7. Cover the lasagna with aluminum foil and bake it for 20 minutes. Remove the foil at 20 minutes and then bake it again for 20 to 25 minutes or until the lasagna is heated thoroughly and is bubbling. 
  8. Let the lasagna cool for at least 15 minutes before serving.  
Jess Smith