What do you cook for your family when you're in Japan?

An apple crumble I made in Japan.

I've been asked this question a couple of times recently, so on a time-short day I'll point you to three posts I wrote a couple of years ago answering this question from the "field" (with photos).

So, when you're in Japan, what do you cook? 
Post #1, 
Post #2 & 
Post #3.