What Temp & Duration to Cook Lasagna


Homemade lasagna looks like an impressive dish, but it is actually quite simple to make. If you have enough freezer space, consider making two lasagnas: one to eat, and one to freeze. This will give you an easy homemade meal that you can put in the oven on a busy weeknight. The only tricky part about lasagna is deciding how hot the oven needs to be and how long to bake it.

Temperature Range for Lasagna

  • The beauty of lasagna is that it does not require an exact temperature to bake properly. If your oven runs a few degrees hot or cold, it will not ruin this dish. Most lasagna recipes call for a temperature between 350 and 375 degrees Fahrenheit. This is hot enough to heat the center of the dish without burning the edges. If you notice the edges or the top of the lasagna getting very brown before the center is fully cooked, turn the temperature down and cover the pan with aluminum foil. This will slow the browning process.

Cooking Fresh Lasagna

  • The primary ingredient that you need to consider when deciding the temperature and duration to cook fresh lasagna is the noodle you are using. A lasagna made with boiled noodles is already hot when you put it in the oven, so it requires less time to bake. For this type of lasagna, the goal is to allow the flavors of the sauce, cheese and other ingredients to meld, and to brown the top. This can take as little as 20 minutes at 375 degrees F. If you need more time to make other dishes, cover the lasagna with aluminum foil and lower the temperature to 350 degrees F. It can bake for up to 40 minutes.

Reheating Frozen Lasagna

  • To reheat store-bought frozen lasagna, simply follow the instructions on the package. To reheat a homemade lasagna that you have frozen, cover it with aluminum foil and bake it at 350 degrees F for one hour. Remove the foil, and continue to bake uncovered for 15 to 20 minutes, until the top is brown and the sauce is bubbling. If you have time, let the lasagna thaw in the refrigerator overnight. Cover with foil and bake the thawed lasagna at 350 degrees F for 30 minutes. Remove the foil and bake uncovered for another 15 to 20 minutes.

Making Sure It's Done

  • The most accurate way to tell if your lasagna is done is to use a probe thermometer. When the center of the dish reaches 150 to 160 degrees F, it is done. This ensures that if the ground beef or pork was not fully cooked when you assembled the lasagna, it has reached a safe temperature in the oven.

    If you are certain that the meat was fully cooked before you assembled the lasagna, you can use visual cues to decide if the dish is done. The sauce should bubble up through the noodles. The edges should be crispy but not burnt, and the cheese on top should be melted and golden brown.

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