Basically, I WAY OVER SEEDED indoors, a month or two before transplanting outside. Then, I started thinning, when I needed something for cooking, etc.
Here's a SORT OF recap (I skip a few steps here and there, but you get the gist!):
Seeding onion: https://peakd.com/proofofbrain/@bluefinstudios/its-a-seedy-day-in-the-neighborhood
Onions after a few weeks: https://peakd.com/proofofbrain/@bluefinstudios/gorvid-update-and-facing-the-facts
Transplanting Outside: https://peakd.com/proofofbrain/@bluefinstudios/getting-dirty
After that, it was watering, weeding and then, thinning, where I picked and used the tiny onion for cooking, etc.