I don't always get this dish right. Sometimes so much water comes out of the vegetables that the sauce becomes watery, as it did here. It still tastes good but the sauce is a little thin. To make this I layered thin sliced ham in a pan, I forgot to sweat a diced onion so I just spread it over the ham. Next a layer of thin sliced potato. A thin layer of cheese and a layer of cauliflower. Finally cheese sauce is poured over all. I sprinkled some chives in there at some point too.
It's a good way to use up some ham.