Use a pizza screen.
Brush it with EVOO and bake it (no pizza) at 500 deg F for about 30 minutes. Let it cool. It's now seasoned.
Brush it with EVOO, or not, every time you use it.
Don't wash it. Ever.
https://www.walmart.com/ip/6-14-Alum...B&gclsrc=aw.ds