30-years ago, give or take
, I was shown a (then) unique way to season steel and cast iron pans by a chef. Take regular salt and put enough in the pan to coat about 1/8", or a little more, deep. Then take whatever cheap veggie oil you have and add it to the pan covering the salt by an 1/8" or so. Slowly, on the range, heat the pan with the now oil covered salt, until just starting to smoke.
Let the pan and salt/oil mixture cool a bit and then dump out the salt and oil wiping the pan clean with a cloth or paper towel. This treatment is so effective on steel omelet/crepe pans it truly turns them into a pure non-stick surface.
Repeat as necessary. Its faster and IMO better than the oven seasoning process...