The ideal omelette pan, says Ernie Diamond, is a French steel crepe pan sold by Williams-Sonoma. It’s about 8 inches in diameter and is just the right size for three eggs. The steel is thin and cooks cooks very fast–it only takes about three minutes to get a perfectly shaped, tender omelette. The pan needs to be seasoned, and can be treated in much the same way as cast iron.
Here’s the French steel crepe pan.
Cast iron omelet pan?