Don't skip salting the eggplant - it removes bitterness and excess moisture
Make ahead: Can be assembled 2 days in advance and refrigerated before baking
Freezer friendly: Freeze unbaked up to 1 month; thaw overnight before baking
The cinnamon is traditional and adds depth without being overpowering
Meat sauce must be thick to prevent watery moussaka
Always use warm milk for the béchamel to prevent lumps