Don't worry about smoke point. It is more about the fat you use to season. Use what you feel gives you the best results, is available at stores near you, and is affordable. Have you ever tried using Great Value Canola Cooking Spray? No melting required, easy to wipe on and off. Some people think grape seed oil gives a good black finish. Name brands typically cost more, but for all I know, Walmart contracts with Crisco MFG to package their GV product.