Ali Ali

Flaxseed oil is often used for quick seasoning because it’s smoke point is 225°F/107°C. Second best is vegetable shortening with a smoke point of 360°F/182°C. Now, there’s some discrepancies as EVOO and coconut oils will vary and can be above or below the smoke point of vegetable shortening falling in the range of 325°-385°F/175-196°C. When you’re actually cooking food is when you want to use the oil with a smoke point that is well above the temperature you wish to cook at.

more details:

https://homeandkitchentool.com/best-oil-for-seasoning-cast-iron/