I would cover with aluminum foil then warm at 350F for 30-45 minutes depending on how big and thick the lasagna is, until the internal temp is ~165F (that's the safe temperature for reheated foods in general). Lasagna can take a surprising amount of time to reheat, even if it's not frozen.
Hi Mary! My favorite way to reheat lasagna is cutting slices, then crisping those in a skillet. Sort of like this: https://food52.com/recipes/75784-extra-crispy-lasagna.
2 Comments