One handy tip is to cover your lasagna with a microwave-safe lid or plastic wrap to help retain moisture. This will prevent the cheese from getting dry and crusty. Another trick is to use a lower power level - this will help the lasagna heat more evenly.
How to Reheat Lasagna at Home, In Microwave, Oven & Stove
Imagine you're reheating a large slice of lasagna - you'll want to use a longer interval, maybe 45-60 seconds. But, if you're reheating a small portion, 15-20 seconds should do the trick. It's all about finding that sweet spot where your lasagna is hot and delicious.
