Scratch Off Dungeon Maps

A perpetual qualm I have with dungeon maps is that I either have to give it to my players (which I normally do), which takes a ton of work on my part to remove all the secrets and hidden passages (and they get the dungeon layout “spoiled” for them), or I have to draw it for them step by step as we navigate the dungeon on a shared map. I don’t like the former cause it’s usually a lot of work on my…