While you can eventually develop a very non-stick surface with cast iron or carbon steel, there's also the option to make a "spanish egg" with a medium amount o

While you can eventually develop a very non-stick surface with cast iron or carbon steel, there's also the option to make a "spanish egg" with a medium amount of hot oil; e.g. https://youtu.be/mL-w_OegewU?t=215 https://youtu.be/mL-w_OegewU?t=215