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How to Defrost a Frozen Tray of Lasagna

Updated April 17, 2017

Whether you bought frozen lasagne or you made a tray of it yourself and stuck it in the freezer, lasagne should be fully thawed before being cooked or reheated. While you can place frozen lasagne directly in the oven, you have to adjust the time and temperature or you will likely wind up with only the top layers being cooked and the middle still frozen solid. Allowing the lasagne to come to room temperature first is easier and you just have to follow the original baking instructions.

Place the lasagne in the refrigerator to thaw overnight or at least eight hours. It is ready when you can easily cut through it with a knife.

Defrost in the microwave, but check constantly to make sure it doesn't start cooking in some parts while other parts remain frozen.

Place the lasagne in the oven and reheat or cook according to your recipe or as instructed on the packaging.

Tip

Rotate the lasagne tray periodically when defrosting in the microwave.

Warning

If the frozen lasagne is in a metal tray, always thaw in the refrigerator and never put it in the microwave as it can damage your microwave.

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About the Author

Based in Los Angeles, Zora Hughes has been writing travel, parenting, cooking and relationship articles since 2010. Her work includes writing city profiles for Groupon. She also writes screenplays and won the S. Randolph Playwriting Award in 2004. She holds a Bachelor of Arts in television writing/producing and a Master of Arts Management in entertainment media management, both from Columbia College.