How to Layer a Lasagna Correctly
If you’re using meat or spinach, drain it well. Excess moisture is your lasagna’s arch-nemesis. Squeeze spinach in a cloth; let meat cool until it’s barely warm. Your layers will thank you.
Spread this filling in an even, thin strip. You’re building a tower, not a mountain. Every layer should be under a centimeter thick. Yes, I’m serious. Height comes from repetition, not from one monster layer.
What Is The Layer Order For Lasagna at Eva Melendez blog